19910101 300.71 300.47 300.56 300.66 298.45 298.33 298.55 298.54 19910106 300.58 300.66 300.31 300.69 298.43 298.45 298.39 298.31 19910111 300.36 300.28 300.84 300.51 298.35 298.43 298.48 298.45 19910116 300.59 300.35 300.52 300.48 298.43 298.22 298.49 298.61 19910121 300.66 300.43 300.33 300.38 298.60 298.58 298.32 298.35 19910126 300.71 300.96 300.80 300.51 298.59 298.45 298.51 298.54 19910131 300.62 300.45 300.56 300.76 298.70 298.47 298.50 298.56 19910205 300.76 300.61 300.46 300.42 298.49 298.51 298.43 298.57 19910210 300.38 300.53 300.36 300.80 298.29 298.50 298.31 298.39 19910215 300.82 300.35 300.50 300.65 298.56 298.43 298.51 298.46 19910220 300.77 300.62 300.60 300.47 298.51 298.47 298.66 298.44 19910225 300.89 300.41 300.99 300.67 298.58 298.43 298.72 298.47 19910302 300.62 300.42 300.59 301.00 298.67 298.56 298.71 298.70 19910307 300.21 300.58 300.31 300.48 298.51 298.44 298.52 298.48 19910312 300.98 300.76 300.43 300.50 298.58 298.60 298.53 298.43 19910317 300.37 300.66 300.65 300.57 298.52 298.49 298.53 298.54 19910322 300.48 300.37 300.62 300.76 298.45 298.37 298.60 298.47 19910327 300.69 300.77 300.67 300.46 298.56 298.45 298.64 298.52 19910401 300.76 300.45 300.45 300.49 298.70 298.57 298.49 298.63 19910406 300.62 300.56 300.52 300.60 298.54 298.55 298.52 298.46 19910411 300.49 300.27 300.47 300.34 298.49 298.39 298.61 298.48 19910416 300.55 300.64 300.94 300.70 298.51 298.50 298.55 298.52 19910421 300.55 300.49 300.78 300.63 298.56 298.64 298.55 298.54 19910426 300.65 300.64 300.84 300.67 298.45 298.51 298.57 298.64 19910501 300.48 300.77 300.67 300.42 298.67 298.62 298.63 298.50 19910506 300.72 300.67 300.35 300.58 298.62 298.58 298.52 298.66 19910511 300.45 300.69 300.80 300.55 298.52 298.46 298.55 298.60 19910516 300.83 300.79 300.72 300.76 298.55 298.48 298.59 298.55 19910521 300.66 300.58 300.75 300.55 298.61 298.51 298.57 298.63 19910526 300.70 300.64 300.67 300.68 298.61 298.53 298.66 298.67 19910531 300.60 300.52 300.54 300.49 298.59 298.62 298.55 298.66 19910605 300.69 300.64 300.64 300.69 298.55 298.62 298.64 298.59 19910610 300.64 300.57 300.54 300.45 298.64 298.57 298.61 298.61 19910615 300.67 300.47 300.74 300.58 298.53 298.61 298.59 298.55 19910620 300.74 300.78 300.90 300.57 298.59 298.56 298.63 298.53 19910625 300.51 300.88 300.63 300.71 298.61 298.59 298.69 298.58 19910630 300.65 300.49 300.78 300.50 298.75 298.65 298.73 298.69 19910705 300.62 300.68 300.78 300.84 298.66 298.66 298.71 298.73 19910710 300.54 300.73 300.68 300.85 298.64 298.66 298.68 298.70 19910715 300.52 300.66 300.65 300.78 298.67 298.68 298.66 298.63 19910720 300.60 300.72 300.37 300.54 298.66 298.68 298.68 298.67 19910725 300.67 300.52 300.64 300.63 298.67 298.69 298.67 298.73 19910730 300.53 300.46 300.55 300.44 298.69 298.64 298.68 298.69 19910804 300.62 300.62 300.68 300.64 298.75 298.66 298.75 298.68