19980101 300.99 300.71 300.83 300.60 298.55 298.29 298.48 298.39 19980106 300.71 300.58 300.73 300.55 298.28 298.34 298.49 298.24 19980111 300.70 300.68 300.77 301.04 298.33 298.23 298.22 298.51 19980116 300.86 300.70 300.98 300.88 298.33 298.23 298.40 298.33 19980121 300.79 300.80 301.03 300.75 298.30 298.31 298.45 298.41 19980126 300.86 301.31 300.93 300.86 298.28 298.42 298.35 298.27 19980131 300.92 300.83 300.90 300.65 298.37 298.38 298.38 298.46 19980205 300.95 300.59 300.62 300.57 298.37 298.30 298.28 298.35 19980210 300.68 300.82 300.49 301.01 298.37 298.27 298.38 298.42 19980215 300.91 300.78 300.77 300.82 298.44 298.35 298.46 298.23 19980220 300.44 301.01 300.74 300.96 298.62 298.50 298.48 298.36 19980225 301.06 300.86 300.68 300.82 298.44 298.47 298.39 298.39 19980302 300.55 301.10 300.82 301.02 298.58 298.50 298.40 298.56 19980307 300.63 300.91 301.01 300.61 298.46 298.48 298.49 298.43 19980312 300.83 301.11 300.64 300.75 298.46 298.57 298.50 298.44 19980317 300.88 300.91 300.72 300.80 298.39 298.61 298.42 298.48 19980322 300.61 301.01 300.53 300.97 298.38 298.48 298.32 298.46 19980327 300.54 300.83 300.65 300.68 298.43 298.38 298.50 298.46 19980401 301.01 300.77 300.84 300.93 298.45 298.45 298.60 298.55 19980406 300.83 300.67 301.02 300.82 298.36 298.46 298.58 298.52 19980411 300.63 300.85 300.69 300.76 298.51 298.56 298.51 298.57 19980416 300.87 300.89 300.95 301.08 298.36 298.54 298.49 298.54 19980421 300.96 300.98 300.85 300.79 298.45 298.44 298.46 298.52 19980426 300.86 301.05 301.18 300.79 298.42 298.49 298.58 298.45 19980501 300.84 300.74 301.00 301.04 298.40 298.30 298.44 298.53 19980506 301.25 300.86 300.94 300.95 298.47 298.38 298.44 298.45 19980511 300.82 301.13 300.98 300.96 298.43 298.44 298.33 298.43 19980516 300.97 301.05 300.76 300.86 298.47 298.53 298.47 298.44 19980521 301.10 300.82 300.96 300.89 298.49 298.47 298.49 298.50 19980526 301.25 300.96 301.24 300.91 298.50 298.42 298.55 298.50 19980531 300.96 301.18 301.25 300.97 298.49 298.46 298.45 298.47 19980605 300.95 300.87 301.16 300.79 298.45 298.36 298.46 298.41 19980610 301.01 301.03 300.96 301.07 298.51 298.48 298.49 298.48 19980615 301.10 301.24 301.02 301.09 298.52 298.54 298.56 298.46 19980620 301.06 301.08 301.28 300.96 298.52 298.48 298.54 298.52 19980625 301.09 301.09 301.12 300.89 298.56 298.58 298.42 298.52 19980630 300.85 300.97 300.96 300.86 298.50 298.51 298.46 298.49 19980705 300.97 300.95 301.06 300.93 298.65 298.61 298.63 298.57 19980710 301.06 301.06 300.93 301.12 298.66 298.62 298.54 298.62 19980715 301.04 301.16 301.23 300.81 298.56 298.52 298.58 298.50 19980720 300.94 301.02 300.98 300.84 298.57 298.58 298.63 298.61 19980725 300.89 301.00 300.92 300.81 298.61 298.67 298.60 298.62 19980730 300.79 300.96 301.11 301.00 298.66 298.65 298.68 298.62 19980804 301.08 301.19 301.19 301.14 298.66 298.66 298.66 298.64