1960 297.8133 297.3257 297.6368 298.0784 299.2605 299.8445 299.9876 300.5339 300.6853 300.4720 299.4807 298.5500 
1961 297.2747 297.7235 297.9023 298.2978 299.1980 299.6808 300.0814 300.6714 300.7568 300.3181 299.3780 298.3805 
1962 297.5851 297.1911 297.2980 298.0767 299.3104 299.3548 300.0681 300.7248 301.2686 300.7659 299.8463 298.7466 
1963 298.6007 298.4442 298.3606 298.8252 300.0657 300.4539 300.8625 301.1497 301.1606 300.7418 299.8175 299.0257 
1964 298.1915 298.3100 298.2866 298.9055 299.3202 299.9335 300.0299 300.3325 300.6409 300.5280 299.7480 298.9200 
1965 298.3624 298.0689 298.0850 298.3163 299.4269 299.4162 300.0304 300.5725 301.0052 300.9673 299.5438 298.4998 
1966 297.8012 297.6408 297.8516 298.3150 299.2037 299.4271 299.7018 300.3952 300.7028 300.3868 299.6704 298.7173 
1967 298.2581 297.5563 298.1633 297.9854 298.7934 299.5963 299.5373 300.0760 300.2932 300.2106 299.2009 298.5056 
1968 297.1575 297.6637 297.8284 298.5760 299.4736 299.8085 300.3582 300.5834 300.5633 300.2986 299.7359 298.9095 
1969 297.9889 297.8267 297.2988 298.0779 299.1548 299.2561 299.8813 300.5235 300.5977 300.0783 299.8679 298.3671 
1970 297.7888 297.7193 297.2490 298.0316 299.1347 299.6407 299.6855 300.2324 300.4633 300.1625 299.0455 298.0029 
1971 297.7094 297.6548 297.5368 297.9746 299.0023 299.5072 299.4915 300.0680 300.3134 300.0615 299.0707 298.4490 
1972 297.7891 297.4567 298.0831 298.5362 299.0826 299.6419 300.0159 300.1450 300.4568 300.7279 299.6768 298.4082 
1973 298.4731 298.1010 298.4170 298.6245 299.4357 300.2678 300.4454 300.9884 301.0044 300.6223 299.8923 298.2469 
1974 297.8385 297.8365 298.1590 298.4648 298.9830 299.6597 300.0762 300.4705 300.7872 300.2891 299.7203 298.3718 
1975 297.9307 297.5873 298.0807 298.6339 299.1280 299.9851 299.9140 300.4189 301.1075 300.6159 300.2942 299.3730 
1976 298.2417 297.5872 298.0000 297.9529 299.0070 299.4751 299.6093 299.7191 300.1687 300.4610 299.6975 298.1535 
1977 297.8746 298.0149 297.7772 298.6104 299.2025 299.7663 299.9341 300.4988 300.8768 300.6498 299.8290 298.7191 
1978 298.2798 297.8003 297.8154 297.9730 299.1626 300.2163 300.0741 300.1473 300.3331 300.2570 299.5794 298.6376 
1979 297.6273 298.0286 298.0592 298.9231 299.2137 300.1600 300.3545 300.9484 301.3219 301.1788 300.2798 298.9047 
1980 297.9950 297.7559 297.9758 297.9745 299.4389 299.9651 300.4667 300.9863 301.2084 300.9991 299.5488 298.2961 
1981 298.0774 297.2112 297.1814 297.7537 298.8548 299.6938 300.0367 300.5125 300.8112 300.6299 299.5432 298.7517 
1982 298.3871 298.1319 297.6502 298.2876 298.8645 299.5577 299.8412 300.0952 300.2518 299.8525 298.4386 297.8717 
1983 297.5752 296.7802 297.2760 298.1441 298.9919 299.3214 299.7026 300.2163 300.4109 300.1097 299.6284 298.5932 
1984 297.0529 297.1269 297.7969 298.3305 298.8608 299.5940 299.9695 300.7096 300.8021 300.4404 299.8524 299.1449 
1985 298.0079 297.8279 298.2688 298.7808 299.9540 300.3409 300.0996 300.7021 301.1109 300.9093 300.0702 299.1892 
1986 298.4433 298.5041 298.2101 298.7250 299.5491 300.0131 300.6371 300.9181 300.8351 300.7700 300.1600 298.9103 
1987 298.5939 298.4537 298.1919 298.8193 299.8015 300.3890 300.3487 300.7130 300.8608 300.6303 299.9460 298.3515 
1988 297.8216 298.1206 298.1133 298.1823 300.1521 300.4487 300.5083 300.6595 300.7564 300.4843 299.7127 298.8076 
1989 297.9906 297.4930 297.3483 297.8435 299.5031 300.0840 300.2863 300.7575 300.9567 300.3842 299.5867 298.5538 
1990 297.6229 297.6132 297.3157 297.8636 299.3524 299.9184 300.1214 300.7054 301.0003 300.5470 299.4342 298.6806 
1991 298.0836 297.9132 297.2210 298.6874 299.8664 299.9932 300.2937 300.6328 300.9178 300.9672 299.5656 298.7155 
1992 298.2216 298.0894 297.7756 298.5027 299.8356 300.1534 300.1889 300.7346 301.0985 300.7570 300.2298 298.9023 
1993 297.0861 297.5863 298.0088 298.4203 299.3355 299.8397 300.4517 300.7154 300.8854 300.6698 300.1777 298.6990 
1994 298.4322 298.0575 297.9966 298.6652 299.5172 300.0829 300.2885 300.8129 301.0008 300.3882 299.4893 298.6022 
1995 298.2856 298.2006 298.6404 298.7647 299.6309 300.5185 300.8340 301.0155 301.5111 300.9424 299.3390 298.8851 
1996 298.5911 298.4138 298.5406 298.9731 299.3552 299.8121 300.3647 300.9170 300.9254 300.7687 299.9508 298.4673 
1997 298.3815 298.2174 298.2493 298.8318 299.7128 300.3833 300.3908 300.7138 301.0610 300.8066 299.8319 298.7874 
1998 298.3524 298.3293 298.7365 299.2130 299.9595 300.2197 300.5799 300.9692 301.0436 300.8703 300.1381 299.3177 
1999 299.0153 298.1424 298.5482 299.4320 300.0780 300.5214 300.7162 301.4885 301.8020 301.2754 300.2064 299.2364 
2000 299.1780 298.8300 298.1277 298.3090 299.7662 300.0362 300.7065 301.3950 301.7382 301.1228 300.2089 299.1548 
2001 298.5551 298.1684 298.1201 298.8095 299.8725 300.3550 301.0268 301.2894 301.3120 301.0409 300.2627 298.4939 
2002 298.9756 298.2606 298.5633 299.4588 300.2600 301.2307 301.5065 301.8752 301.8598 301.8125 300.5561 299.3923 
2003 298.8604 298.8058 299.2362 299.3625 300.2336 300.4818 300.8723 301.4867 301.7491 301.1741 300.0941 299.4294 
2004 298.9435 298.7569 298.5903 298.6526 300.0878 300.2979 300.7140 301.3375 301.4897 301.2303 300.2463 299.2554