1960 297.1128 296.0646 297.0495 297.2614 298.7647 299.6336 300.0205 300.2455 300.6599 300.2692 298.4727 297.5168 
1961 295.5250 297.1374 297.4308 296.9058 297.9253 298.9781 299.6834 300.2725 300.4313 300.0826 298.4919 297.4005 
1962 296.5819 296.0644 296.4907 296.5360 297.8076 299.1467 299.9070 300.5643 301.1598 300.3016 299.0960 297.8755 
1963 297.9645 297.1832 297.1696 298.3289 299.5010 300.3125 300.9540 301.0890 301.0496 300.2842 298.9043 298.4363 
1964 297.3085 297.8256 298.0351 298.1696 298.6467 299.8481 299.8180 300.1170 300.4337 299.9870 299.2664 298.3792 
1965 297.9529 297.2695 297.4512 297.3930 299.3573 299.8569 300.3003 300.3837 300.7311 300.4587 298.3876 297.1041 
1966 296.3443 297.4151 297.2919 297.7422 298.4412 299.2444 299.5651 300.2783 300.4875 299.9009 299.2712 297.8772 
1967 297.6340 296.6129 297.0663 297.2480 298.1296 299.4991 299.9044 299.9269 300.0541 299.5481 298.4992 297.5945 
1968 296.3600 297.2490 296.8771 297.2157 298.8718 299.4743 300.6302 300.9035 300.6578 300.2873 299.7398 298.4958 
1969 297.1410 297.6352 296.3705 297.1200 298.5227 299.2235 300.1492 300.8364 300.4927 299.9162 299.1422 297.0038 
1970 296.2556 296.7591 296.2678 296.9780 298.2855 299.1288 299.9656 299.9132 300.1925 300.1192 298.6788 297.3040 
1971 297.2744 297.4695 296.7837 296.7465 298.2022 299.2375 299.4140 299.9024 300.0935 299.5849 297.8497 298.0031 
1972 297.1771 296.8690 297.7222 297.9911 298.6281 299.4170 300.1425 300.0803 300.4171 300.4560 299.0411 297.3127 
1973 298.1328 297.2748 298.1136 297.8907 298.9361 300.2584 300.2511 300.7975 300.9117 300.2641 299.4050 297.2874 
1974 297.1839 296.5882 297.4074 297.7588 298.1215 299.4058 300.0445 300.4196 300.6568 300.1210 298.8772 296.8570 
1975 297.4817 297.0183 297.3004 297.9007 298.5277 299.9404 300.3465 300.4905 300.8722 300.3502 299.8120 298.6910 
1976 297.0516 296.5070 297.2242 296.4937 297.6714 298.6919 298.9887 299.1848 299.6647 299.7522 298.7733 296.7254 
1977 296.8706 296.8431 296.4827 296.9004 297.8633 299.2216 299.6352 300.2119 300.4871 300.1466 298.6112 297.4345 
1978 297.3434 296.6865 296.8286 296.8494 297.7694 299.2973 299.3602 299.4615 299.9717 299.6337 298.4759 296.9440 
1979 296.0053 296.9432 296.4612 297.3474 298.0290 299.5811 300.1537 300.8353 301.0363 300.6111 299.3281 298.2755 
1980 296.4176 296.0963 296.8729 296.4480 298.5550 299.6921 300.4873 300.9297 301.2870 300.8202 298.7928 297.4467 
1981 297.3821 295.2351 295.7841 296.2208 297.4929 299.1573 299.7936 300.1380 300.5515 300.1719 298.7702 297.7234 
1982 297.7509 297.5917 296.7167 297.0524 297.7824 299.4380 299.5696 299.7976 300.0577 299.2682 297.7022 297.5646 
1983 297.2457 295.9274 296.4888 297.1627 298.1217 299.3549 299.6238 300.2726 300.2829 299.5766 298.5745 298.1289 
1984 295.4861 296.0234 297.2797 297.0258 297.7520 299.3863 299.8635 300.7885 300.9901 300.3459 299.3168 298.5086 
1985 297.3431 297.5517 297.0347 297.6267 298.8329 299.8871 299.8995 300.7088 300.8455 300.4811 299.4040 298.3964 
1986 297.3693 296.9975 297.0988 297.9198 298.6412 299.6015 300.3530 300.6262 300.9250 300.2807 299.6286 298.0470 
1987 298.5117 298.1378 297.5570 298.4463 299.0532 300.2128 300.1676 300.6440 300.8974 300.3472 298.5832 297.1949 
1988 297.5080 297.6133 296.6173 296.9579 298.8220 299.9581 300.1630 300.4187 300.5753 299.7976 299.0377 297.6843 
1989 296.7394 296.5624 296.0762 296.8228 298.5838 299.8040 300.0371 300.2671 300.6563 299.8911 298.7578 296.7158 
1990 296.8200 296.6154 296.1979 297.0008 298.3513 299.4849 300.0127 300.5212 300.7880 300.0847 298.5119 297.7340 
1991 296.9750 296.9039 296.5054 297.9129 298.7019 299.6672 300.0374 300.2242 300.9933 300.6226 298.9699 297.8643 
1992 297.5930 297.6124 296.6730 297.4392 298.9163 299.9484 299.9523 300.3400 300.6344 300.5146 299.5583 297.9105 
1993 295.8185 296.7038 296.9960 297.3239 298.6756 299.9753 300.5609 300.6544 300.9192 300.2677 299.4715 297.8386 
1994 297.8879 297.9438 297.0694 297.7249 298.6979 300.0616 300.1396 300.4778 300.7209 299.9886 298.8006 297.9347 
1995 297.7491 297.9235 297.7251 297.9285 298.7435 300.5360 300.8834 300.9190 301.0750 300.5298 298.6632 298.0995 
1996 298.1923 298.0175 298.6411 298.4555 299.0052 299.8573 300.6016 300.8799 300.6753 300.3088 299.2746 297.8813 
1997 297.8580 297.9872 297.5662 297.6867 298.5002 299.9907 300.0759 300.3236 300.7567 300.6812 299.0568 297.7113 
1998 297.7184 297.8945 298.0379 298.0296 299.4399 299.7697 300.3174 300.7915 300.7150 300.5894 299.3784 298.1442 
1999 298.6844 297.2061 297.5918 297.9862 298.9694 300.1250 300.4261 300.9569 301.5296 301.0906 299.2790 297.9588 
2000 298.2041 298.0097 297.4081 297.2637 298.6386 299.7444 300.7217 301.0612 301.7496 300.5721 299.0161 298.2748 
2001 297.8260 297.5985 297.6678 297.9385 299.2048 300.0928 301.0761 301.0692 300.9788 300.8154 299.5703 296.9308 
2002 298.4781 297.6822 297.0315 297.9880 299.2591 300.8557 301.3006 301.6745 301.4195 301.1602 299.4324 298.0261 
2003 297.6451 298.4544 298.3162 298.1425 299.6538 300.4166 300.6215 301.1868 301.6569 300.8068 299.3416 298.8001 
2004 298.4082 298.2144 297.6886 297.8483 299.0224 299.8830 300.5031 300.8838 301.1987 300.6985 299.5637 298.4024