19990101 300.54 300.48 300.11 300.56 298.44 298.37 298.27 298.40 19990106 300.69 299.97 300.60 300.78 298.42 298.43 298.34 298.55 19990111 300.42 300.06 300.62 300.47 298.47 298.33 298.38 298.35 19990116 300.54 300.32 300.50 300.66 298.36 298.44 298.34 298.41 19990121 300.71 300.68 300.36 300.44 298.36 298.45 298.46 298.41 19990126 300.48 300.50 300.79 300.52 298.58 298.43 298.53 298.37 19990131 300.80 300.36 300.11 300.58 298.40 298.24 298.33 298.38 19990205 300.63 300.61 300.70 300.74 298.47 298.45 298.53 298.60 19990210 300.68 300.37 300.71 300.48 298.44 298.54 298.45 298.32 19990215 300.59 300.32 300.35 300.69 298.49 298.37 298.49 298.51 19990220 300.78 300.67 300.66 300.73 298.46 298.48 298.60 298.47 19990225 300.68 300.49 300.42 300.53 298.46 298.42 298.39 298.28 19990302 300.60 300.40 300.31 300.57 298.55 298.41 298.48 298.35 19990307 300.63 300.47 300.29 300.34 298.41 298.44 298.37 298.41 19990312 300.60 300.21 300.68 300.46 298.45 298.45 298.36 298.43 19990317 300.58 300.80 300.34 300.70 298.38 298.47 298.25 298.30 19990322 300.60 300.84 300.57 300.33 298.27 298.54 298.34 298.44 19990327 300.67 300.58 300.47 300.63 298.42 298.39 298.40 298.49 19990401 300.45 300.82 300.76 300.65 298.40 298.42 298.43 298.49 19990406 300.89 300.58 300.88 300.64 298.43 298.49 298.29 298.27 19990411 300.84 300.66 300.72 300.56 298.39 298.30 298.30 298.33 19990416 300.82 300.75 300.68 300.66 298.54 298.41 298.42 298.40 19990421 301.02 301.06 300.66 300.86 298.41 298.50 298.33 298.45 19990426 300.79 300.74 300.96 300.80 298.42 298.29 298.39 298.31 19990501 300.86 301.08 300.77 300.94 298.27 298.26 298.22 298.36 19990506 300.81 300.81 300.90 300.87 298.34 298.47 298.42 298.39 19990511 300.74 301.06 300.84 300.95 298.30 298.34 298.39 298.47 19990516 300.85 300.97 300.94 300.73 298.42 298.36 298.38 298.44 19990521 300.81 301.03 300.81 300.65 298.31 298.46 298.28 298.39 19990526 300.95 300.96 300.59 300.75 298.40 298.39 298.46 298.35 19990531 301.01 300.80 300.83 300.81 298.47 298.34 298.27 298.29 19990605 300.77 300.85 300.91 300.83 298.29 298.30 298.29 298.31 19990610 300.79 300.75 300.75 300.82 298.36 298.33 298.36 298.40 19990615 300.91 300.67 300.93 300.74 298.37 298.40 298.41 298.35 19990620 300.83 300.85 300.77 300.88 298.34 298.35 298.35 298.38 19990625 300.76 300.74 300.79 300.77 298.40 298.41 298.39 298.37 19990630 300.75 300.66 300.74 300.72 298.38 298.44 298.43 298.50 19990705 300.58 300.63 300.82 300.84 298.45 298.34 298.37 298.42 19990710 300.89 300.96 300.90 300.82 298.35 298.42 298.45 298.40 19990715 300.77 300.82 300.80 300.80 298.48 298.48 298.45 298.48 19990720 300.77 300.89 300.81 300.85 298.44 298.51 298.44 298.48 19990725 300.90 300.75 300.83 300.72 298.54 298.51 298.51 298.52 19990730 300.87 300.80 300.91 300.83 298.52 298.53 298.58 298.57 19990804 300.98 300.97 300.97 300.99 298.52 298.57 298.51 298.51