1960 297.1119 296.0569 297.0844 297.3384 298.9194 299.7921 300.2031 300.4478 300.9262 300.3802 298.5109 297.6076 
1961 295.5467 297.2649 297.4758 296.9207 297.9997 298.9852 299.7126 300.4645 300.6325 300.1794 298.5296 297.5510 
1962 296.7415 296.3365 296.8289 296.8201 298.0783 299.3709 300.0756 300.7550 301.4470 300.3595 299.1087 297.7893 
1963 297.9295 297.0676 297.1323 298.4841 299.7199 300.5988 301.0799 301.1985 301.0869 300.3478 298.7203 298.4546 
1964 297.2306 297.9207 298.0382 298.1852 298.6076 299.8574 299.8830 300.2348 300.4607 300.0282 299.3135 298.4014 
1965 298.0091 297.3745 297.4718 297.3622 299.2952 299.8160 300.3245 300.4364 300.8496 300.3305 298.2173 296.9110 
1966 296.3203 297.3806 297.2764 297.8434 298.5700 299.2855 299.7205 300.4045 300.5729 300.0508 299.2629 297.6815 
1967 297.5312 296.5136 296.9792 297.2410 298.1198 299.6357 299.9955 300.0091 300.1355 299.6046 298.3454 297.4486 
1968 296.2503 297.1945 296.7817 297.1200 298.8565 299.6363 300.9191 301.1708 300.8714 300.3802 299.8027 298.4083 
1969 296.9266 297.4856 296.2777 297.0951 298.6717 299.4413 300.3806 301.0445 300.6345 299.9127 299.0793 296.7186 
1970 295.7788 296.5443 296.1926 296.9204 298.3311 299.1891 300.3204 300.0894 300.3831 300.1892 298.8018 297.2517 
1971 297.2422 297.4830 296.8019 296.7820 298.3506 299.2757 299.5786 300.0361 300.0977 299.5977 297.6470 297.9086 
1972 296.8973 296.5954 297.5138 297.8361 298.7241 299.5326 300.2823 300.0963 300.5395 300.5459 299.1846 297.3663 
1973 298.2098 297.2329 298.1807 298.0042 299.0287 300.3634 300.4293 301.0223 301.0978 300.2849 299.3712 297.0858 
1974 296.9992 296.2837 297.3159 297.7976 298.1985 299.5335 300.1319 300.5733 300.8570 300.2299 298.8971 296.5589 
1975 297.1794 296.6551 297.1459 297.8575 298.6378 300.0323 300.4600 300.6241 301.0222 300.4012 299.8266 298.7033 
1976 297.0041 296.5092 297.3456 296.5896 297.6851 298.7661 299.1089 299.3875 299.7829 299.8874 298.8569 296.9319 
1977 296.9799 297.0653 296.7440 296.8147 298.0248 299.3719 299.7581 300.3270 300.6418 300.2929 298.5028 297.4239 
1978 297.3070 296.7150 296.9611 296.9973 297.8777 299.4045 299.5350 299.6778 300.1987 299.8052 298.3444 296.9738 
1979 296.0605 296.9278 296.6555 297.4773 298.1114 299.6716 300.4002 301.0336 301.2371 300.7087 299.3620 298.4041 
1980 296.3578 296.0445 296.8303 296.5200 298.6747 299.8945 300.7198 301.1898 301.4640 300.8337 298.7358 297.4801 
1981 297.4525 294.8894 295.7860 296.3247 297.5246 299.2417 299.9888 300.3275 300.7322 300.3176 298.9263 297.8045 
1982 297.7149 297.6466 296.6591 297.1076 297.8297 299.5834 299.6201 299.9178 300.2354 299.3377 297.7946 297.7691 
1983 297.4098 296.0758 296.6494 297.2921 298.1075 299.3816 299.8354 300.5066 300.5222 299.7251 298.6589 298.2117 
1984 295.4867 296.1284 297.3896 297.0557 297.7969 299.4290 299.8657 300.9444 301.1384 300.3241 299.3277 298.6252 
1985 297.4614 297.5554 296.9146 297.6963 298.9701 299.9765 300.1473 300.9987 301.0524 300.6469 299.4595 298.4253 
1986 297.3511 296.8170 296.9864 297.7134 298.6231 299.5725 300.4339 300.8324 301.1390 300.2740 299.5612 297.8829 
1987 298.2479 297.9336 297.3305 298.4358 299.0910 300.1859 300.1903 300.7888 301.1038 300.3789 298.3920 296.9166 
1988 297.3528 297.6096 296.7161 297.1574 298.9131 300.2931 300.5694 300.7024 300.7839 299.9153 299.1048 297.5840 
1989 296.8092 296.6378 296.1830 296.8828 298.6485 299.9361 300.2756 300.4675 300.8511 300.0103 298.8174 296.6170 
1990 296.9438 296.7711 296.5252 297.3321 298.6329 299.7106 300.2846 300.7001 300.9487 300.2130 298.5158 297.7862 
1991 296.9412 296.9936 296.6558 298.0575 298.6133 299.7458 300.2734 300.3810 301.1453 300.6920 298.9904 297.9461 
1992 297.5114 297.5005 296.6064 297.3825 298.9878 300.0883 300.1219 300.6784 300.8644 300.7130 299.7009 297.8478 
1993 295.7689 296.6522 296.9510 297.3279 298.7870 300.2177 300.6942 300.9059 301.0847 300.2903 299.3743 297.7041 
1994 297.8164 297.9260 297.0300 297.7982 298.7430 300.2487 300.3246 300.6367 300.8778 300.0249 298.6647 297.9391 
1995 297.7569 297.9880 297.7553 297.8192 298.7411 300.5146 300.9846 301.0235 301.2611 300.3804 298.6111 297.9477 
1996 298.1664 297.9319 298.6153 298.5450 299.0585 299.9276 300.8128 300.9769 300.7404 300.3702 299.1848 297.6185 
1997 297.8541 298.0070 297.5348 297.6925 298.4244 299.9927 300.0571 300.4697 300.8943 300.8420 299.0009 297.5795 
1998 297.4734 297.6120 297.8252 297.8853 299.3979 299.7325 300.4711 300.9807 300.9822 300.6973 299.3845 298.0696 
1999 298.6483 297.1051 297.7110 298.0637 299.0761 300.2663 300.6339 301.1841 301.7275 301.2264 299.4167 298.1146 
2000 298.2267 298.0348 297.5275 297.4832 298.7956 299.7695 300.8749 301.2657 301.9681 300.6288 299.0101 298.3773 
2001 297.9611 297.7894 297.6703 298.1203 299.3449 300.2433 301.3369 301.1938 301.1508 300.9503 299.4863 296.6977 
2002 298.4849 297.6533 296.7815 297.9606 299.1960 300.8508 301.3386 301.9489 301.5978 301.2016 299.3947 297.9065 
2003 297.5737 298.3558 298.1497 298.0359 299.5309 300.3576 300.8082 301.4329 301.8462 300.7417 299.1937 298.8223 
2004 298.2903 298.2367 297.6163 297.9477 299.0008 299.9815 300.6783 301.0197 301.3310 300.7413 299.4486 298.2610