1960 297.0543 295.9665 297.0027 297.2668 298.8119 299.7016 300.1286 300.4087 300.8324 300.3243 298.3972 297.5535 
1961 295.4533 297.2281 297.4403 296.8382 297.9367 298.9173 299.6588 300.3583 300.5660 300.1296 298.4550 297.4350 
1962 296.6260 296.2126 296.6776 296.6661 297.9341 299.3186 300.0494 300.6905 301.3612 300.3340 299.0676 297.7549 
1963 297.9190 297.0211 297.0512 298.3652 299.5847 300.5134 301.0456 301.1562 301.0641 300.2853 298.7143 298.4077 
1964 297.1942 297.8574 298.0282 298.1163 298.5773 299.8130 299.8523 300.1822 300.4145 299.9885 299.2493 298.3543 
1965 297.9613 297.2913 297.3951 297.2868 299.2472 299.8147 300.2907 300.4058 300.7886 300.3432 298.1663 296.8858 
1966 296.2556 297.3347 297.2025 297.7751 298.4749 299.2809 299.6690 300.3793 300.5389 299.9443 299.2385 297.6819 
1967 297.5369 296.4780 296.9147 297.1734 298.0563 299.5356 299.9851 299.9723 300.1110 299.5375 298.3197 297.4012 
1968 296.2186 297.1714 296.7009 297.0558 298.8081 299.5525 300.8690 301.1581 300.8260 300.3729 299.7833 298.4079 
1969 296.9256 297.4467 296.1968 297.0187 298.5760 299.3932 300.3827 301.0364 300.5615 299.8989 299.0461 296.6649 
1970 295.8224 296.5281 296.0864 296.8542 298.2682 299.1205 300.2065 300.0515 300.3143 300.1660 298.7263 297.2236 
1971 297.2505 297.4678 296.7121 296.6962 298.2679 299.2621 299.5040 299.9861 300.0763 299.5250 297.6195 297.9071 
1972 296.9084 296.5825 297.5103 297.7990 298.6517 299.4773 300.2459 300.0876 300.4802 300.4753 299.0941 297.2572 
1973 298.1808 297.1949 298.1167 297.9037 298.9124 300.3046 300.3693 300.9536 301.0614 300.2769 299.3452 297.0741 
1974 296.9668 296.2709 297.2471 297.7140 298.1115 299.4864 300.0920 300.5158 300.7929 300.1952 298.8464 296.5990 
1975 297.2468 296.6783 297.0996 297.7990 298.5384 299.9706 300.4745 300.6115 300.9934 300.3643 299.7814 298.6522 
1976 296.9675 296.4523 297.2347 296.4910 297.6092 298.7358 299.0518 299.2902 299.7144 299.8116 298.7613 296.8166 
1977 296.8954 296.9691 296.6085 296.7652 297.9493 299.2852 299.6960 300.2856 300.5577 300.2087 298.4359 297.4175 
1978 297.2805 296.6146 296.9214 296.9196 297.7840 299.3365 299.4453 299.5853 300.1180 299.7306 298.2987 296.8723 
1979 295.9588 296.8716 296.5537 297.3698 298.0355 299.6500 300.3131 300.9724 301.1355 300.6765 299.3019 298.3515 
1980 296.2796 295.9888 296.8266 296.4259 298.6055 299.7958 300.6537 301.1429 301.4548 300.8028 298.7389 297.4429 
1981 297.3955 294.8857 295.6974 296.1853 297.4716 299.1926 299.9377 300.2707 300.6880 300.2433 298.8659 297.7552 
1982 297.7041 297.6191 296.5988 296.9877 297.7255 299.5196 299.5883 299.8718 300.1783 299.2916 297.7118 297.6881 
1983 297.3578 295.9852 296.5726 297.1875 298.0642 299.3776 299.7726 300.4363 300.4453 299.6586 298.5912 298.1802 
1984 295.3803 296.0556 297.3446 297.0014 297.7493 299.3733 299.8384 300.8956 301.0949 300.3435 299.3056 298.5705 
1985 297.3918 297.5287 296.8837 297.5921 298.8426 299.9369 300.0631 300.9320 301.0018 300.5598 299.4406 298.4228 
1986 297.3066 296.7990 296.9298 297.7126 298.5322 299.5563 300.3972 300.7566 301.0390 300.2243 299.5696 297.8560 
1987 298.2957 297.9172 297.3080 298.3719 299.0056 300.1559 300.1786 300.7307 301.0191 300.3328 298.4020 296.9391 
1988 297.3480 297.5453 296.6025 297.0506 298.8030 300.1788 300.4465 300.6484 300.7533 299.8355 299.0679 297.5693 
1989 296.7527 296.5723 296.0736 296.8052 298.5518 299.8517 300.1877 300.4066 300.7957 299.9298 298.7587 296.5560 
1990 296.8507 296.6719 296.3793 297.2343 298.5274 299.6235 300.2256 300.6660 300.9178 300.1771 298.4651 297.7154 
1991 296.9079 296.9153 296.5368 297.9529 298.5696 299.7176 300.1728 300.3370 301.1490 300.6602 298.9496 297.8696 
1992 297.5302 297.4859 296.5275 297.3103 298.8947 300.0120 300.0904 300.5758 300.7929 300.6542 299.6472 297.8364 
1993 295.6859 296.6013 296.8659 297.2258 298.6959 300.1785 300.6732 300.8412 301.0356 300.2394 299.3586 297.6750 
1994 297.7842 297.9022 296.9251 297.6836 298.6493 300.1896 300.2786 300.5878 300.8275 299.9843 298.6792 297.9029 
1995 297.7084 297.9103 297.6700 297.8077 298.6772 300.5089 300.9518 301.0073 301.1747 300.4193 298.5851 297.9712 
1996 298.1492 297.8876 298.5846 298.4510 298.9889 299.9135 300.7522 300.9288 300.6750 300.3177 299.1765 297.6379 
1997 297.7949 297.9634 297.4524 297.5932 298.3690 299.9655 300.0576 300.3925 300.7940 300.7677 298.9519 297.6021 
1998 297.5199 297.6079 297.7915 297.8597 299.3313 299.7005 300.4009 300.8930 300.8702 300.6396 299.3490 298.0220 
1999 298.6435 297.0306 297.5880 298.0003 299.0016 300.1932 300.5615 301.1255 301.6534 301.1949 299.2994 298.0158 
2000 298.1522 297.9707 297.4452 297.3466 298.6996 299.7515 300.8241 301.2097 301.9218 300.5903 298.9771 298.3272 
2001 297.8906 297.6678 297.6353 297.9978 299.2529 300.1744 301.2656 301.1503 301.0824 300.9054 299.4849 296.6379 
2002 298.4787 297.6060 296.7504 297.8644 299.1312 300.8222 301.3097 301.8764 301.5309 301.1331 299.3377 297.8647 
2003 297.5293 298.3419 298.0721 297.9441 299.4740 300.3067 300.7263 301.3733 301.7766 300.7140 299.1825 298.7788 
2004 298.2450 298.1758 297.5680 297.8660 298.9228 299.9273 300.6109 300.9646 301.2662 300.6990 299.4594 298.2353