1950 1 4 11 72.1 71.3 72.3 71.0 1950 2 4 11 71.8 73.2 74.2 72.3 1950 3 4 11 71.8 72.6 73.6 71.4 1950 4 4 11 70.9 72.8 73.8 72.8 1950 5 4 11 72.2 75.0 76.0 74.1 1950 6 4 11 73.3 76.1 77.2 75.6 1950 7 4 11 74.3 77.0 77.9 77.2 1950 8 4 11 75.8 78.0 79.0 77.6 1950 9 4 11 75.2 77.6 78.7 77.9 1950 10 4 11 74.3 77.5 78.5 77.2 1950 11 4 11 73.7 74.5 75.4 72.8 1950 12 4 11 70.8 71.0 72.0 70.3 1951 1 4 11 70.7 72.0 73.0 70.9 1951 2 4 11 70.2 71.3 72.2 69.8 1951 3 4 11 71.8 72.0 72.6 70.9 1951 4 4 11 71.5 73.5 74.4 73.0 1951 5 4 11 73.2 75.5 76.5 75.9 1951 6 4 11 74.8 77.0 77.8 76.3 1951 7 4 11 75.8 78.5 79.6 78.7 1951 8 4 11 75.5 79.0 79.7 78.4 1951 9 4 11 76.1 79.0 79.7 77.8 1951 10 4 11 74.8 77.5 78.5 77.6 1951 11 4 11 72.3 76.0 76.8 75.2 1951 12 4 11 70.9 73.0 74.1 72.9 1952 1 4 11 69.9 71.5 72.6 70.4 1952 2 4 11 70.5 72.0 72.9 71.2 1952 3 4 11 69.9 72.0 72.8 71.7 1952 4 4 11 70.1 73.5 73.2 72.1 1952 5 4 11 71.4 72.5 73.7 72.2 1952 6 4 11 72.8 75.5 76.5 75.4 1952 7 4 11 73.8 77.0 78.0 76.5 1952 8 4 11 74.3 78.0 79.1 78.0 1952 9 4 11 74.1 77.5 78.4 77.6 1952 10 4 11 74.7 76.0 77.0 75.1 1952 11 4 11 72.9 75.0 76.1 74.5 1952 12 4 11 70.8 73.0 73.7 72.7 1953 1 4 11 71.3 71.5 72.4 70.2 1953 2 4 11 69.9 72.5 73.2 71.3 1953 3 4 11 69.8 72.5 73.6 71.2 1953 4 4 11 71.2 74.0 74.8 73.1 1953 5 4 11 72.6 76.0 76.8 75.8 1953 6 4 11 73.7 76.5 77.7 76.6 1953 7 4 11 74.6 77.5 78.3 77.3 1953 8 4 11 75.3 78.5 79.3 578.0 1953 9 4 11 74.9 78.0 78.8 77.9 1953 10 4 11 73.7 77.0 77.6 76.6 1953 11 4 11 71.8 74.5 75.2 74.2 1953 12 4 11 70.6 72.0 72.8 71.5 1954 1 4 11 70.6 71.0 71.9 69.5 1954 2 4 11 70.6 72.0 73.0 70.9 1954 3 4 11 69.7 70.5 71.5 69.5 1954 4 4 11 72.7 73.8 74.6 72.6 1954 5 4 11 72.7 73.9 74.9 72.7 1954 6 4 11 74.8 76.7 78.3 76.8 1954 7 4 11 74.9 77.1 78.2 77.1 1954 8 4 11 76.2 77.8 79.4 78.6 1954 9 4 11 75.5 76.9 79.3 78.7 1954 10 4 11 74.7 76.8 78.1 77.2 1954 11 4 11 73.9 75.3 76.9 75.4 1954 12 4 11 69.5 71.7 72.9 71.8 1955 1 4 11 69.2 70.8 72.5 71.7 1955 2 4 11 68.8 71.0 70.6 70.4 1955 3 4 11 69.2 69.7 70.5 68.9 1955 4 4 11 70.6 72.7 74.0 73.1 1955 5 4 11 71.5 73.5 75.0 74.7 1955 6 4 11 72.2 74.3 75.8 75.1 1955 7 4 11 72.5 74.7 76.8 75.8 1955 8 4 11 73.4 75.3 76.8 76.5 1955 9 4 11 73.1 75.2 77.0 76.4 1955 10 4 11 72.7 74.5 75.9 75.2 1955 11 4 11 72.1 73.7 74.8 73.2 1955 12 4 11 71.2 72.4 73.5 72.2 1956 1 4 11 72.1 73.1 73.3 71.9 1956 2 4 11 69.4 70.8 72.3 71.4 1956 3 4 11 70.9 72.2 73.8 72.7 1956 4 4 11 71.8 72.8 73.8 72.3 1956 5 4 11 72.1 74.1 75.8 75.1 1956 6 4 11 73.5 74.8 76.7 76.9 1956 7 4 11 74.5 76.2 78.4 77.8 1956 8 4 11 75.2 77.6 79.2 78.9 1956 9 4 11 74.6 77.4 79.4 78.6 1956 10 4 11 74.1 77.3 77.9 77.6 1956 11 4 11 72.6 74.7 75.4 75.1 1956 12 4 11 71.8 72.7 74.2 73.3 1957 1 4 11 70.6 71.9 72.7 71.7 1957 2 4 11 68.9 69.2 70.7 69.4 1957 3 4 11 69.9 70.5 71.7 71.0 1957 4 4 11 71.0 72.2 73.0 72.1 1957 5 4 11 72.5 73.6 75.7 75.6 1957 6 4 11 75.0 75.8 78.4 77.6 1957 7 4 11 75.3 77.7 79.5 79.1 1957 8 4 11 75.9 77.9 79.6 78.8 1957 9 4 11 76.4 77.8 79.8 78.4 1957 10 4 11 75.8 77.0 79.2 78.0 1957 11 4 11 73.7 75.2 77.4 76.2 1957 12 4 11 71.6 73.1 74.0 72.7 1958 1 4 11 70.9 69.8 71.6 70.2 1958 2 4 11 70.7 70.8 72.3 70.4 1958 3 4 11 69.9 70.5 71.0 69.6 1958 4 4 11 71.6 72.3 73.8 72.2 1958 5 4 11 72.2 73.1 75.1 74.8 1958 6 4 11 74.2 74.9 77.7 77.7 1958 7 4 11 75.5 76.1 78.1 77.3 1958 8 4 11 76.7 78.4 79.4 79.0 1958 9 4 11 75.6 77.7 79.7 79.8 1958 10 4 11 74.7 76.0 77.4 77.6 1958 11 4 11 73.2 74.2 74.7 74.1 1958 12 4 11 70.8 71.6 72.0 70.9 1959 1 4 11 71.8 72.2 72.4 71.1 1959 2 4 11 70.8 72.3 71.9 69.9 1959 3 4 11 71.5 73.8 75.1 74.2 1959 4 4 11 72.4 73.5 74.4 72.6 1959 5 4 11 73.4 75.4 76.7 74.6 1959 6 4 11 75.0 77.2 79.0 78.7 1959 7 4 11 75.8 78.9 79.8 79.0 1959 8 4 11 76.5 80.1 80.1 80.0 1959 9 4 11 75.1 79.8 80.9 80.7 1959 10 4 11 74.9 77.5 78.8 77.9 1959 11 4 11 73.1 76.7 76.9 75.7 1959 12 4 11 70.7 73.4 74.3 73.4 1960 1 4 11 69.1 72.0 72.8 71.7 1960 2 4 11 70.2 71.7 72.5 70.9 1960 3 4 11 71.0 72.6 73.7 71.0 1960 4 4 11 72.0 74.2 74.8 73.3 1960 5 4 11 73.4 76.7 77.1 76.5 1960 6 4 11 74.6 78.1 79.1 78.2 1960 7 4 11 75.6 78.8 79.8 78.8 1960 8 4 11 75.5 79.3 80.4 79.9 1960 9 4 11 75.7 79.1 79.8 79.1 1960 10 4 11 75.3 78.3 79.2 77.8 1960 11 4 11 72.4 75.7 76.8 76.1 1960 12 4 11 71.7 73.5 74.4 72.2 1961 1 4 11 71.7 72.4 73.6 71.3 1961 2 4 11 71.7 73.0 74.6 73.0 1961 3 4 11 71.8 74.4 75.7 73.9 1961 4 4 11 72.5 74.2 75.9 74.9 1961 5 4 11 73.7 76.8 78.0 77.4 1961 6 4 11 74.8 77.5 78.3 77.9 1961 7 4 11 75.2 78.7 79.1 79.0 1961 8 4 11 76.1 79.5 80.3 79.7 1961 9 4 11 75.4 78.8 79.8 78.8 1961 10 4 11 75.6 78.3 79.1 77.6 1961 11 4 11 73.4 76.1 76.3 74.5 1961 12 4 11 70.7 73.1 75.0 73.8 1962 1 4 11 72.2 72.0 74.6 72.7 1962 2 4 11 70.7 70.7 72.3 70.6 1962 3 4 11 70.7 72.0 73.1 71.8 1962 4 4 11 73.2 74.8 76.4 74.8 1962 5 4 11 72.9 76.3 77.2 76.3 1962 6 4 11 74.2 76.9 78.6 77.7 1962 7 4 11 74.3 77.8 79.1 79.0 1962 8 4 11 75.7 78.3 80.0 79.2 1962 9 4 11 74.5 77.7 79.1 78.9 1962 10 4 11 74.5 76.2 77.2 75.7 1962 11 4 11 72.6 75.4 77.4 75.8 1962 12 4 11 70.7 71.5 72.7 71.4 1963 1 4 11 71.1 70.9 71.1 71.3 1963 2 4 11 72.8 73.2 72.2 71.5 1963 3 4 11 72.0 73.2 72.3 72.8 1963 4 4 11 73.6 75.2 75.2 74.6 1963 5 4 11 73.3 75.3 76.4 75.4 1963 6 4 11 74.4 76.6 79.2 77.8 1963 7 4 11 75.4 78.0 80.7 79.0 1963 8 4 11 75.7 78.9 81.4 80.2 1963 9 4 11 76.0 78.3 81.0 79.3 1963 10 4 11 75.1 77.5 79.6 78.6 1963 11 4 11 73.7 74.7 77.1 76.4 1963 12 4 11 73.1 73.1 73.9 72.6 1964 1 4 11 72.1 74.1 75.1 73.7 1964 2 4 11 70.2 73.3 74.6 72.9 1964 3 4 11 70.8 73.1 74.6 73.2 1964 4 4 11 71.6 74.5 75.7 74.6 1964 5 4 11 72.0 73.6 76.3 75.7 1964 6 4 11 74.9 76.6 77.9 77.8 1964 7 4 11 75.2 77.2 79.3 78.2 1964 8 4 11 75.4 76.6 80.3 77.1 1964 9 4 11 74.9 77.0 80.2 77.8 1964 10 4 11 73.7 74.4 78.2 75.1 1964 11 4 11 72.8 72.2 76.3 73.3 1964 12 4 11 73.2 72.2 74.9 73.0 1965 1 4 11 71.6 71.2 71.9 70.5 1965 2 4 11 68.3 67.8 69.7 67.3 1965 3 4 11 69.7 69.1 72.1 68.6 1965 4 4 11 72.4 72.6 74.9 71.7 1965 5 4 11 74.5 75.1 77.0 74.5 1965 6 4 11 74.1 76.7 79.1 76.5 1965 7 4 11 75.2 77.0 79.8 77.6 1965 8 4 11 75.8 77.9 79.7 78.4 1965 9 4 11 76.7 77.8 79.9 77.3 1965 10 4 11 75.4 76.4 78.2 74.9 1965 11 4 11 73.7 74.8 77.0 74.5 1965 12 4 11 69.9 70.7 73.3 71.1 1966 1 4 11 69.6 69.9 72.6 69.7 1966 2 4 11 70.1 69.8 72.0 67.6 1966 3 4 11 71.6 71.9 75.2 70.3 1966 4 4 11 71.8 72.7 75.2 69.8 1966 5 4 11 74.9 76.5 77.1 74.2 1966 6 4 11 75.1 78.9 80.5 77.7 1966 7 4 11 76.6 78.8 80.8 78.0 1966 8 4 11 77.1 79.4 82.0 78.6 1966 9 4 1 77.4 79.2 82.4 77.5 1966 10 4 11 77.0 77.9 80.9 76.9 1966 11 4 11 75.6 75.8 77.2 74.8 1966 12 4 11 74.3 74.1 74.6 72.3 1967 1 4 11 71.9 71.1 72.4 69.6 1967 2 4 11 73.8 72.0 73.9 71.7 1967 3 4 11 74.1 72.2 73.8 71.4 1967 4 4 11 74.3 72.6 74.7 71.8 1967 5 4 11 77.1 76.6 78.2 75.8 1967 6 4 11 77.5 77.2 79.7 77.1 1967 7 4 11 77.8 78.7 81.5 79.0 1967 8 4 11 77.1 77.8 82.0 78.8 1967 9 4 11 76.9 77.7 82.3 78.9 1967 10 4 11 77.2 77.2 80.6 77.5 1967 11 4 11 75.3 74.3 77.6 74.9 1967 12 4 11 73.3 71.3 74.0 69.9 1968 1 4 11 72.9 70.8 73.0 69.5 1968 2 4 11 74.8 70.4 73.3 68.8 1968 3 4 11 74.5 72.0 75.0 70.7 1968 4 4 11 73.8 74.1 76.7 72.4 1968 5 4 11 75.7 75.0 78.4 74.2 1968 6 4 11 76.6 77.9 80.4 77.8 1968 7 4 11 76.8 79.0 81.5 78.2 1968 8 4 11 76.6 80.8 82.8 79.0 1968 9 4 11 76.8 79.8 81.9 78.7 1968 10 4 11 77.1 79.0 80.6 76.1 1968 11 4 11 76.2 77.3 78.7 75.6 1968 12 4 11 73.7 72.5 72.7 70.7 1969 1 4 11 71.4 68.8 69.1 65.8 1969 2 4 11 72.2 72.4 73.8 70.5 1969 3 4 11 72.5 72.2 73.5 69.9 1969 4 4 11 72.8 73.4 74.7 71.9 1969 5 4 11 74.4 75.5 76.7 75.4 1969 6 4 11 76.2 77.9 79.0 78.3 1969 7 4 11 75.8 80.1 80.9 79.5 1969 8 4 11 76.2 79.5 83.2 80.0 1969 9 4 11 75.0 77.9 81.9 79.5 1969 10 4 11 74.5 76.1 80.5 77.1 1969 11 4 11 73.2 74.8 78.8 75.6 1969 12 4 11 71.5 72.6 76.4 73.3 1970 1 4 11 72.0 71.5 74.2 71.6 1970 2 4 11 71.1 69.7 73.2 71.3 1970 3 4 11 71.1 72.7 76.9 74.2 1970 4 4 11 72.3 75.2 78.3 75.6 1970 5 4 11 73.7 76.9 80.4 77.2 1970 6 4 11 73.7 78.3 81.1 78.4 1970 7 4 11 74.1 79.4 82.2 79.5 1970 8 4 11 74.9 80.3 83.8 80.8 1970 9 4 11 74.8 78.1 79.0 79.8 1970 10 4 11 75.3 78.2 78.4 78.3 1970 11 4 11 73.9 75.4 75.8 75.4 1970 12 4 11 72.7 73.9 74.6 75.2 1971 1 4 11 71.3 69.8 71.7 69.7 1971 2 4 11 71.8 72.2 74.4 73.8 1971 3 4 11 69.4 73.5 73.9 73.8 1971 4 4 11 70.9 74.3 75.6 75.9 1971 5 4 11 72.2 75.1 76.2 76.9 1971 6 4 11 74.9 77.3 77.3 77.9 1971 7 4 11 76.5 77.9 78.9 79.4 1971 8 4 11 76.6 77.7 79.5 79.9 1971 9 4 11 76.6 78.5 79.1 80.0 1971 10 4 11 75.3 76.6 78.0 78.3 1971 11 4 11 73.8 75.5 75.7 76.9 1971 12 4 11 70.8 72.7 73.3 74.4 1972 1 4 11 70.1 69.5 70.4 70.4 1972 2 4 11 70.6 70.4 70.6 70.8 1972 3 4 11 73.8 72.0 72.8 72.4 1972 4 4 11 72.7 73.6 74.9 74.0 1972 5 4 11 73.0 74.7 77.2 76.7 1972 6 4 11 75.3 76.0 78.9 77.5 1972 7 4 11 75.4 77.9 80.3 78.4 1972 8 4 11 76.5 79.1 81.1 79.9 1972 9 4 11 76.3 78.6 80.5 78.8 1972 10 4 11 76.0 78.1 79.2 78.2 1972 11 4 11 73.2 75.2 76.7 76.1 1972 12 4 11 71.4 71.2 71.6 70.5 1973 1 4 11 72.2 69.9 72.9 70.9 1973 2 4 11 71.2 69.6 72.5 71.9 1973 3 4 11 72.4 74.5 76.1 75.3 1973 4 4 11 72.2 73.2 75.4 74.6 1973 5 4 11 72.9 73.3 77.1 75.2 1973 6 4 11 74.5 75.9 79.2 77.3 1973 7 4 11 75.7 77.7 80.4 78.8 1973 8 4 11 76.3 78.4 81.2 79.2 1973 9 4 11 76.3 77.7 80.9 78.9 1973 10 4 11 75.8 77.4 79.4 77.9 1973 11 4 11 75.4 75.4 77.0 75.5 1973 12 4 11 73.8 72.8 73.8 72.8 1974 1 4 11 74.4 73.8 74.5 74.4 1974 2 4 11 72.5 72.9 74.4 74.4 1974 3 4 11 73.1 72.9 74.0 73.4 1974 4 4 11 73.5 76.2 77.3 75.9 1974 5 4 11 73.8 75.7 78.2 76.9 1974 6 4 11 75.2 76.7 79.2 78.6 1974 7 4 11 76.1 76.9 79.8 79.0 1974 8 4 11 76.8 78.8 81.2 80.0 1974 9 4 11 77.3 77.7 79.9 79.9 1974 10 4 11 76.8 78.0 79.5 79.3 1974 11 4 11 73.5 75.2 75.7 75.9 1974 12 4 11 72.3 74.6 75.7 75.9 1975 1 4 11 70.9 71.3 72.3 73.0 1975 2 4 11 71.9 72.2 72.8 71.4 1975 3 4 11 71.1 72.0 72.9 72.6 1975 4 4 11 72.4 74.6 74.5 74.2 1975 5 4 11 73.0 72.9 75.6 75.6 1975 6 4 11 74.3 74.7 78.1 77.2 1975 7 4 11 74.8 76.2 78.9 77.7 1975 8 4 11 75.7 77.2 80.1 78.1 1975 9 4 11 75.5 76.2 79.3 77.8 1975 10 4 11 74.6 75.9 79.1 77.7 1975 11 4 11 73.5 73.8 77.2 76.9 1975 12 4 11 72.2 72.2 73.0 73.5 1976 1 4 11 71.3 71.1 73.6 73.9 1976 2 4 11 71.1 71.4 71.9 72.8 1976 3 4 11 71.6 72.8 73.6 72.5 1976 4 4 11 72.1 74.2 75.1 75.1 1976 5 4 11 72.9 75.0 77.4 77.8 1976 6 4 11 73.6 75.7 78.2 78.7 1976 7 4 11 74.5 78.4 79.8 79.9 1976 8 4 11 76.2 79.4 80.8 79.3 1976 9 4 11 76.8 78.8 80.7 78.5 1976 10 4 11 76.2 78.0 79.1 76.8 1976 11 4 11 74.4 74.8 75.2 73.8 1976 12 4 11 73.2 74.7 75.2 74.1 1977 1 4 11 73.9 71.7 73.8 73.0 1977 2 4 11 73.9 73.6 75.7 72.8 1977 3 4 11 73.3 74.6 76.2 74.1 1977 4 4 11 74.1 74.4 76.3 73.8 1977 5 4 11 74.7 75.8 77.6 75.3 1977 6 4 11 76.2 76.4 79.4 76.8 1977 7 4 11 77.0 77.9 80.9 78.6 1977 8 4 11 78.1 80.2 82.2 79.9 1977 9 4 11 77.5 79.7 81.6 79.9 1977 10 4 11 76.9 78.8 81.0 79.3 1977 11 4 11 75.2 76.9 78.6 77.2 1977 12 4 11 73.7 73.8 75.1 73.5 1978 1 4 11 71.7 73.9 74.1 72.0 1978 2 4 11 72.4 72.9 73.2 72.1 1978 3 4 11 73.2 74.8 75.6 73.6 1978 4 4 11 74.2 76.4 76.8 74.2 1978 5 4 11 76.2 78.3 78.1 75.2 1978 6 4 11 76.4 79.1 78.7 76.8 1978 7 4 11 77.2 80.4 78.9 78.6 1978 8 4 11 76.9 81.2 80.4 79.4 1978 9 4 11 76.2 80.8 80.4 79.6 1978 10 4 11 75.5 79.5 77.7 77.7 1978 11 4 11 74.1 76.1 74.7 73.8 1978 12 4 11 71.1 74.1 72.4 73.1 1979 1 4 11 69.8 71.1 69.8 73.2 1979 2 4 11 70.4 71.9 72.2 72.7 1979 3 4 11 71.5 71.4 72.8 71.9 1979 4 4 11 73.8 73.3 74.8 72.4 1979 5 4 11 73.7 75.9 78.0 75.1 1979 6 4 11 74.2 78.5 79.9 77.1 1979 7 4 11 74.6 79.1 80.9 78.4 1979 8 4 11 75.6 80.4 80.4 79.1 1979 9 4 11 76.4 80.9 81.0 80.6 1979 10 4 11 76.0 80.4 81.0 78.5 1979 11 4 11 72.9 76.4 77.3 74.8 1979 12 4 11 72.7 75.4 75.2 72.8 1980 1 4 11 71.6 73.3 71.8 72.3 1980 2 4 11 72.6 73.4 72.4 71.1 1980 3 4 11 72.3 75.6 75.0 73.1 1980 4 4 11 74.4 75.9 76.1 73.5 1980 5 4 11 77.3 78.9 78.2 75.5 1980 6 4 11 77.6 79.9 79.4 76.5 1980 7 4 11 77.8 81.2 80.9 78.2 1980 8 4 11 74.9 80.6 81.0 78.9 1980 9 4 11 75.7 80.9 81.6 79.1 1980 10 4 11 74.8 79.7 80.1 76.7 1980 11 4 11 73.7 78.2 77.9 75.8 1980 12 4 11 74.2 75.9 74.3 73.9 1981 1 4 11 73.5 74.7 73.2 73.0 1981 2 4 11 72.6 74.6 73.5 72.5 1981 3 4 11 71.6 75.0 74.7 74.7 1981 4 4 11 72.8 76.1 75.9 76.3 1981 5 4 11 74.2 77.9 77.2 77.9 1981 6 4 11 76.0 80.7 80.6 79.8 1981 7 4 11 76.1 80.5 79.7 79.8 1981 8 4 11 76.1 81.2 80.1 81.2 1981 9 4 11 76.2 80.3 80.8 79.5 1981 10 4 11 74.5 78.2 78.3 77.4 1981 11 4 11 73.8 76.9 76.8 74.7 1981 12 4 11 72.0 74.5 73.9 72.4 1982 1 4 11 71.9 73.1 73.2 71.3 1982 2 4 11 71.7 72.4 71.7 71.9 1982 3 4 11 70.2 72.8 74.0 72.8 1982 4 4 11 71.2 73.2 75.3 74.5 1982 5 4 11 72.9 76.0 78.2 76.2 1982 6 4 11 76.3 78.6 79.6 78.2 1982 7 4 11 76.7 80.9 80.6 80.7 1982 8 4 11 76.9 81.5 81.4 80.2 1982 9 4 11 76.1 80.0 81.3 79.7 1982 10 4 11 74.9 78.9 79.3 77.4 1982 11 4 11 74.6 76.9 75.7 76.3 1982 12 4 11 71.8 73.2 72.1 72.3 1983 1 4 11 71.3 71.4 71.9 71.3 1983 2 4 11 71.8 71.4 71.2 70.8 1983 3 4 11 72.4 72.5 73.4 72.8 1983 4 4 11 71.9 74.1 74.6 74.4 1983 5 4 11 72.6 74.9 75.6 74.7 1983 6 4 11 74.3 77.6 78.8 78.2 1983 7 4 11 74.8 78.1 79.7 78.6 1983 8 4 11 75.2 79.1 82.3 79.2 1983 9 4 11 74.9 78.0 82.3 78.8 1983 10 4 11 74.0 77.3 81.1 77.6 1983 11 4 11 73.8 75.8 80.1 76.1 1983 12 4 11 72.8 73.5 75.1 72.5 1984 1 4 11 72.4 73.4 74.6 73.8 1984 2 4 11 71.4 73.4 74.6 73.7 1984 3 4 11 73.8 75.9 75.7 75.2 1984 4 4 11 73.0 77.0 77.0 76.3 1984 5 4 11 73.9 78.5 78.7 78.1 1984 6 4 11 74.7 80.4 79.3 79.2 1984 7 4 11 75.2 79.9 81.0 80.1 1984 8 4 11 75.3 79.5 81.7 80.5 1984 9 4 11 75.4 79.4 81.2 80.0 1984 10 4 11 76.4 80.5 80.2 79.0 1984 11 4 11 73.6 79.0 78.9 77.4 1984 12 4 11 71.1 74.2 74.1 73.7 1985 1 4 11 69.8 71.9 71.3 70.6 1985 2 4 11 70.6 72.9 73.9 72.8 1985 3 4 11 69.4 70.6 74.5 73.5 1985 4 4 11 69.8 70.8 74.6 72.8 1985 5 4 11 71.3 73.1 76.5 74.8 1985 6 4 11 74.4 75.2 79.2 77.7 1985 7 4 11 75.4 77.5 81.6 79.9 1985 8 4 11 75.7 77.7 81.9 79.9 1985 9 4 11 75.7 77.1 81.1 78.9 1985 10 4 11 74.2 76.7 79.8 77.4 1985 11 4 11 73.0 73.0 75.1 73.4 1985 12 4 11 71.6 71.2 73.2 72.0 1986 1 4 11 71.1 70.3 72.8 71.1 1986 2 4 11 73.7 71.4 72.6 71.3 1986 3 4 11 74.7 73.6 76.5 73.2 1986 4 4 11 73.6 74.3 77.5 75.4 1986 5 4 11 75.4 75.8 78.3 76.3 1986 6 4 11 76.6 77.2 80.0 77.8 1986 7 4 11 77.8 79.4 81.6 79.5 1986 8 4 11 78.5 80.5 82.9 80.2 1986 9 4 11 77.9 79.4 82.1 80.1 1986 10 4 11 76.5 77.5 80.6 78.7 1986 11 4 11 75.0 77.1 79.2 76.2 1986 12 4 11 72.8 72.8 75.1 73.0 1987 1 4 11 71.8 72.0 73.4 71.6 1987 2 4 11 70.6 69.2 71.0 69.3 1987 3 4 11 71.6 71.9 74.0 71.3 1987 4 4 11 72.2 72.8 75.9 72.5 1987 5 4 11 72.5 72.3 75.6 71.9 1987 6 4 11 75.4 76.6 80.3 76.8 1987 7 4 11 76.7 78.6 82.1 78.9 1987 8 4 11 77.9 78.9 82.7 80.6 1987 9 4 11 77.8 79.5 82.9 79.3 1987 10 4 11 76.6 78.3 81.4 78.2 1987 11 4 11 74.7 75.6 78.7 76.3 1987 12 4 11 73.1 73.8 75.8 74.4 1988 1 4 11 71.9 71.4 73.1 71.6 1988 2 4 11 72.2 72.2 74.8 73.8 1988 3 4 11 72.2 73.4 76.0 73.6 1988 4 4 11 72.7 74.2 77.2 75.3 1988 5 4 11 74.2 76.5 78.9 76.4 1988 6 4 11 74.7 77.8 80.8 78.8 1988 7 4 11 75.7 78.8 81.8 78.7 1988 8 4 11 76.0 79.1 82.1 79.2 1988 9 4 11 76.6 78.8 82.1 79.8 1988 10 4 11 77.9 77.4 80.1 77.1 1988 11 4 11 76.3 76.8 79.8 77.2 1988 12 4 11 74.9 73.1 75.6 74.2 1989 1 4 11 72.1 72.2 74.5 73.1 1989 2 4 11 71.4 71.6 73.5 71.7 1989 3 4 11 72.4 73.1 75.2 73.1 1989 4 4 11 71.1 72.0 74.4 72.2 1989 5 4 11 72.7 75.4 78.4 75.1 1989 6 4 11 74.7 77.3 80.8 77.8 1989 7 4 11 75.2 79.0 81.6 78.1 1989 8 4 11 74.9 78.0 81.4 78.4 1989 9 4 11 74.6 78.5 81.8 78.9 1989 10 4 11 75.6 77.6 78.6 76.7 1989 11 4 11 73.6 74.8 76.7 74.4 1989 12 4 11 71.3 71.7 72.9 70.9 1990 1 4 11 72.1 72.7 74.6 72.4 1990 2 4 11 70.3 70.7 71.4 69.8 1990 3 4 11 71.2 71.9 73.1 71.4 1990 4 4 11 73.4 74.6 76.6 73.5 1990 5 4 11 74.1 75.4 78.0 74.4 1990 6 4 11 75.1 77.8 79.9 77.6 1990 7 4 11 76.0 78.3 80.7 78.4 1990 8 4 11 77.0 79.6 82.3 79.9 1990 9 4 11 77.2 80.3 82.2 79.9 1990 10 4 11 76.2 78.4 80.9 79.2 1990 11 4 11 75.3 76.5 77.3 74.9 1990 12 4 11 72.5 73.0 74.1 72.0 1991 1 4 11 72.0 71.6 72.4 71.1 1991 2 4 11 72.8 72.5 73.4 72.2 1991 3 4 11 70.8 72.1 72.9 71.3 1991 4 4 11 72.6 74.3 75.8 73.7 1991 5 4 11 74.2 75.8 77.8 75.6 1991 6 4 11 74.8 76.6 79.3 76.2 1991 7 4 11 76.0 78.3 81.1 78.3 1991 8 4 11 76.9 79.5 82.4 79.1 1991 9 4 11 76.9 78.9 81.4 78.5 1991 10 4 11 76.2 78.3 80.0 78.0 1991 11 4 11 75.8 77.2 79.6 76.7 1991 12 4 11 72.9 74.8 76.2 73.8 1992 1 4 11 71.2 71.4 72.9 70.4 1992 2 4 11 71.3 71.8 73.1 70.1 1992 3 4 11 72.3 72.9 74.9 72.4 1992 4 4 11 72.4 74.1 75.6 72.4 1992 5 4 11 74.8 76.3 77.8 74.7 1992 6 4 11 76.2 78.6 81.3 78.6 1992 7 4 11 76.2 79.2 81.5 79.2 1992 8 4 11 77.2 80.5 82.2 80.0 1992 9 4 11 77.8 80.4 81.3 79.7 1992 10 4 11 77.7 78.6 79.4 77.5 1992 11 4 11 75.2 76.8 77.0 74.9 1992 12 4 11 73.6 75.4 76.7 74.5 1993 1 4 11 71.1 71.2 71.0 69.4 1993 2 4 11 70.1 69.7 71.1 70.5 1993 3 4 11 71.6 71.9 74.1 72.5 1993 4 4 11 73.5 75.2 77.4 75.6 1993 5 4 11 73.3 75.9 77.2 75.5 1993 6 4 11 75.3 78.7 80.2 78.4 1993 7 4 11 75.8 79.5 80.6 78.9 1993 8 4 11 76.9 80.3 81.2 79.9 1993 9 4 11 77.1 80.0 81.1 79.8 1993 10 4 11 76.0 78.2 79.7 77.7 1993 11 4 11 73.4 75.8 76.2 75.2 1993 12 4 11 71.7 73.8 75.0 73.8 1994 1 4 11 70.0 71.1 72.0 70.2 1994 2 4 11 71.3 73.9 73.6 72.5 1994 3 4 11 71.7 72.9 73.2 71.5 1994 4 4 11 73.4 73.7 75.9 73.9 1994 5 4 11 74.8 76.2 79.2 76.2 1994 6 4 11 76.0 78.1 80.9 77.2 1994 7 4 11 78.1 80.0 83.0 79.5 1994 8 4 11 78.5 81.2 84.3 81.2 1994 9 4 11 78.1 80.7 83.9 80.8 1994 10 4 11 77.3 78.9 82.4 79.1 1994 11 4 11 74.9 76.4 80.8 77.9 1994 12 4 11 72.9 73.4 76.6 74.0 1995 1 4 11 72.1 71.8 74.2 72.8 1995 2 4 11 72.2 72.9 73.6 71.9 1995 3 4 11 74.3 74.5 75.6 73.3 1995 4 4 11 73.7 74.8 76.4 73.7 1995 5 4 11 75.0 76.0 78.5 75.4 1995 6 4 11 76.6 78.9 81.3 78.4 1995 7 4 11 77.6 80.1 83.2 80.0 1995 8 4 11 77.2 80.4 83.4 79.7 1995 9 4 11 77.8 79.8 83.2 79.4 1995 10 4 11 75.5 79.7 82.6 79.3 1995 11 4 11 75.2 78.2 80.2 76.8 1995 12 4 11 74.2 75.9 79.2 75.6 1996 1 4 11 72.9 75.2 76.3 72.8 1996 2 4 11 70.8 72.4 74.1 70.2 1996 3 4 11 71.1 72.3 74.4 70.7 1996 4 4 11 73.9 77.0 79.9 75.3 1996 5 4 11 75.7 78.0 79.0 75.9 1996 6 4 11 76.4 80.6 81.2 78.7 1996 7 4 11 77.2 81.5 82.1 80.0 1996 8 4 11 77.2 80.8 82.8 80.5 1996 9 4 11 77.2 80.5 81.4 79.8 1996 10 4 11 76.7 80.2 81.8 78.8 1996 11 4 11 75.4 77.6 77.0 76.0 1996 12 4 11 72.7 73.5 73.4 71.8 1997 1 4 11 72.8 72.5 72.4 70.2 1997 2 4 11 72.4 73.7 74.8 73.8 1997 3 4 11 72.8 74.6 75.2 73.4 1997 4 4 11 73.6 74.8 76.1 72.4 1997 5 4 11 74.4 75.6 76.1 73.2 1997 6 4 11 76.1 79.3 81.1 78.9 1997 7 4 11 76.7 79.8 81.5 79.2 1997 8 4 11 77.3 80.1 82.5 79.9 1997 9 4 11 77.2 81.1 82.7 80.2 1997 10 4 11 76.2 79.5 80.4 78.7 1997 11 4 11 74.2 75.4 76.2 74.4 1997 12 4 11 72.3 73.2 73.8 71.5 1998 1 4 11 71.7 71.7 72.4 69.3 1998 2 4 11 71.8 71.8 72.8 70.2 1998 3 4 11 72.9 73.6 75.1 71.9 1998 4 4 11 71.7 73.8 75.2 73.1 1998 5 4 11 72.2 74.5 76.6 74.0 1998 6 4 11 73.8 76.3 78.3 76.1 1998 7 4 11 74.8 78.1 79.7 76.9 1998 8 4 11 76.1 79.1 81.1 77.4 1998 9 4 11 74.4 77.9 81.0 78.1 1998 10 4 11 73.8 76.8 79.4 77.0 1998 11 4 11 72.2 75.3 77.6 75.8 1998 12 4 11 69.7 72.1 74.5 72.1 1999 1 4 11 69.5 70.9 73.3 71.3 1999 2 4 11 68.8 70.8 73.5 70.8 1999 3 4 11 70.4 72.5 74.6 72.6 1999 4 4 11 70.8 73.4 75.3 73.5 1999 5 4 11 72.8 75.9 77.1 75.7 1999 6 4 11 73.4 77.1 78.8 76.9 1999 7 4 11 74.3 77.6 79.4 77.4 1999 8 4 11 74.4 78.4 80.8 78.5 1999 9 4 88 74.4 77.9 81.0 78.1 1999 10 4 88 73.8 76.7 79.3 76.9 1999 11 4 11 74.2 75.2 76.9 75.2 1999 12 4 11 71.5 73.1 74.6 73.4 2000 1 4 11 69.3 70.6 72.7 71.4 2000 2 4 0 71.3 71.6 73.6 72.4 2000 3 4 88 73.0 73.2 76.0 74.2 2000 4 4 88 71.5 74.1 75.6 73.0 2000 5 4 88 74.1 75.1 78.2 77.9 2000 6 4 88 75.8 77.8 80.7 78.5 2000 7 4 0 75.7 79.1 81.5 79.5 2000 8 4 0 76.1 79.3 81.7 79.8 2000 9 4 0 75.5 78.1 81.0 79.5 2000 10 4 0 75.6 78.3 80.5 79.4 2000 11 4 0 73.2 75.2 77.9 78.0 2000 12 4 0 71.9 72.2 74.9 74.6 2001 1 4 0 71.6 72.7 75.4 75.3 2001 2 4 5 70.7 72.3 74.0 72.1 2001 3 4 5 71.5 72.9 75.3 74.0 2001 4 4 5 71.8 74.4 76.9 74.3 2001 5 4 5 72.6 75.6 78.2 76.6 2001 6 4 5 73.9 77.3 79.7 77.6 2001 7 4 5 75.4 78.8 81.5 79.5 2001 8 4 5 76.3 79.8 82.4 79.7 2001 9 4 0 76.2 79.2 82.1 80.2 2001 10 4 0 75.1 77.0 79.9 77.9 2001 11 4 0 74.3 75.9 77.6 75.9 2001 12 4 0 73.1 75.4 75.5 74.4 2002 1 4 0 71.8 71.7 74.1 72.3 2002 2 4 0 70.0 70.7 73.1 71.5 2002 3 4 0 71.8 72.2 74.2 71.7 2002 4 4 0 73.4 74.2 76.7 74.5 2002 5 4 0 74.3 75.7 78.1 76.5 2002 6 4 0 75.8 78.0 80.7 79.2 2002 7 4 0 76.6 78.4 81.0 79.3 2002 8 4 0 76.9 79.7 82.1 79.6 2002 9 4 0 76.0 77.9 83.5 79.5 2002 10 4 0 76.4 77.5 80.2 78.5 2002 11 4 0 75.1 75.4 77.6 74.9 2002 12 4 0 72.9 72.7 75.3 73.5 2003 1 4 0 72.4 72.1 72.4 69.9 2003 2 4 0 71.4 71.8 73.6 71.3 2003 3 4 0 73.5 73.1 75.7 73.5 2003 4 4 0 77.7 75.1 77.3 75.5 2003 5 4 0 74.0 74.3 79.0 77.4 2003 6 4 0 76.3 78.6 80.5 78.9 2003 7 4 0 77.3 80.1 82.3 79.2 2003 8 4 0 77.6 80.6 83.3 80.0 2003 9 4 0 77.5 79.6 82.0 78.3 2003 10 4 0 77.0 79.0 81.1 77.9 2003 11 4 0 73.9 76.5 78.8 76.2 2003 12 4 5 73.0 74.0 75.7 74.0 2004 1 4 2 73.2 71.8 73.6 71.6 2004 2 4 2 73.5 73.4 75.9 73.4 2004 3 4 2 73.3 72.6 75.0 72.2 2004 4 4 2 73.6 73.8 77.1 73.8 2004 5 4 2 75.9 76.6 79.7 77.2 2004 6 4 2 76.3 78.8 81.3 78.3 2004 7 4 2 77.5 79.5 82.7 80.1 2004 8 4 0 78.3 81.3 82.7 79.8 2004 9 4 0 77.9 80.1 82.8 80.3 2004 10 4 0 76.6 79.5 81.4 78.6 2004 11 4 0 75.3 76.3 77.5 75.3 2004 12 4 0 72.8 73.3 75.3 73.2 2005 1 4 0 72.6 73.1 72.8 71.7 2005 2 4 0 72.0 72.2 73.8 72.4 2005 3 4 0 73.2 71.3 73.8 71.1 2005 4 4 0 74.0 74.2 78.7 75.4 2005 5 4 0 76.1 77.0 81.3 78.0 2005 6 4 0 75.8 78.3 81.8 79.3 2005 7 4 0 77.1 79.2 83.1 80.1 2005 8 4 0 76.9 78.5 83.6 80.0 2005 9 4 0 77.3 79.9 81.1 80.7 2005 10 4 0 74.5 77.4 78.5 78.5 2005 11 4 0 75.3 76.3 77.5 75.3 2005 12 4 0 73.1 73.5 73.5 74.1 2006 1 4 0 71.8 74.5 74.2 76.1 2006 2 4 0 70.5 72.6 72.1 72.2 2006 3 4 0 72.2 74.4 73.6 72.8 2006 4 4 0 71.9 73.8 74.8 73.9 2006 5 4 0 73.3 74.4 75.3 75.3 2006 6 4 0 75.2 77.8 80.1 78.3 2006 7 4 0 76.2 79.1 80.7 79.1 2006 8 4 0 76.5 80.1 81.1 78.6 2006 9 4 0 75.7 79.5 80.2 78.8 2006 10 4 0 76.1 78.4 79.1 77.2 2006 11 4 0 75.7 76.1 78.2 76.4 2006 12 4 0 72.7 73.6 76.1 74.0 2007 1 4 0 71.2 73.2 74.8 74.3 2007 2 4 0 70.5 71.9 73.4 71.9 2007 3 4 0 72.7 73.6 74.2 73.7 2007 4 4 0 72.9 74.2 76.6 74.6 2007 5 4 0 75.0 76.5 78.3 77.1 2007 6 4 0 75.9 78.1 80.7 79.1 2007 7 4 0 76.9 79.9 81.6 79.6 2007 8 4 0 77.0 79.5 82.0 80.9 2007 9 4 0 76.6 79.4 81.6 80.3 2007 10 4 0 75.0 77.6 80.2 79.0 2007 11 4 0 74.4 73.7 76.6 76.2 2007 12 4 0 72.5 73.4 75.5 74.8 2008 1 4 0 70.4 68.9 73.6 71.4 2008 2 4 0 71.2 68.6 74.8 73.0 2008 3 4 0 72.8 71.7 77.3 75.3 2008 4 4 0 72.7 74.3 77.2 74.2 2008 5 4 0 73.6 76.2 79.2 76.4 2008 6 4 0 75.4 77.4 80.4 77.6 2008 7 4 0 76.7 78.5 82.2 79.3 2008 8 4 0 76.1 79.2 81.6 80.7 2008 9 4 0 75.4 78.1 81.7 78.5 2008 10 4 0 74.3 77.9 79.7 77.7 2008 11 4 0 73.1 74.9 77.2 74.2 2008 12 4 0 71.8 73.5 75.3 72.5 2009 1 4 0 70.0 70.9 72.5 70.3 2009 2 4 0 69.5 71.3 73.4 69.7 2009 3 4 0 68.8 70.7 73.7 69.6 2009 4 4 0 69.0 71.4 74.7 70.1 2009 5 4 0 74.5 74.9 78.1 74.3 2009 6 4 0 75.3 77.5 82.5 78.4 2009 7 4 0 75.8 78.7 81.9 79.0 2009 8 4 0 76.0 79.0 82.1 78.7 2009 9 4 0 75.0 78.7 82.6 79.0 2009 10 4 0 76.3 78.6 81.2 78.6 2009 11 4 0 73.3 75.7 78.9 75.6 2009 12 4 0 72.5 71.7 74.1 71.2 2010 1 4 0 72.9 72.2 74.7 71.5 2010 2 4 0 72.2 70.9 73.1 69.9 2010 3 4 0 71.1 72.9 75.0 72.1 2010 4 4 0 71.5 74.5 75.9 73.6 2010 5 4 0 74.5 76.8 78.5 76.8 2010 6 4 0 75.2 78.3 79.7 77.7 2010 7 4 0 75.8 78.8 79.6 78.5 2010 8 4 0 75.4 80.3 80.7 78.7 2010 9 4 0 75.5 78.8 80.5 78.7 2010 10 4 0 74.8 77.3 80.0 79.2 2010 11 4 0 73.2 73.6 77.6 74.8 2010 12 4 0 72.9 74.9 74.8 73.9 2011 1 4 0 71.4 71.5 73.4 71.8 2011 2 4 0 72.8 73.1 75.0 71.8 2011 3 3 4 0 72.6 74.4 76.5 75.3 2011 4 3 4 0 73.2 74.7 77.2 76.3