1960 296.3055 296.1996 298.1235 299.0622 299.9779 300.2335 300.5598 301.0718 301.0682 299.6852 297.7620 297.2533 
1961 294.7740 298.3424 298.6050 297.7067 298.9207 299.8715 300.0093 300.5143 300.5186 299.1595 297.2914 296.8724 
1962 296.3280 296.4390 298.2227 298.1046 299.7368 299.5545 300.6270 300.8183 301.3523 299.2443 298.5036 297.3069 
1963 298.3208 297.8762 298.5091 299.9237 300.7569 300.7983 301.7213 301.3973 301.4671 300.2263 298.3656 298.3855 
1964 297.1086 299.2471 298.6369 299.1886 298.9738 299.9360 300.1574 300.4573 300.4422 299.9384 299.5534 298.3102 
1965 298.0986 298.4265 298.3883 297.7501 300.0754 300.5659 301.2911 300.9355 301.2567 299.8632 297.9734 296.7797 
1966 296.7117 298.4425 298.9734 299.4898 299.9113 299.8652 300.1747 300.8119 300.6952 299.7733 299.4289 297.3789 
1967 297.5481 296.9604 298.0240 298.0950 299.2757 299.3672 300.4797 300.5896 300.8557 299.6153 298.3660 297.3344 
1968 296.0996 297.7078 297.9001 298.7385 299.9112 299.9811 301.0155 301.1203 300.5721 300.2837 299.9690 298.1856 
1969 296.8828 298.6840 297.0446 298.3429 298.3232 299.6593 301.1249 301.1330 300.4077 299.8684 299.4880 296.2353 
1970 295.4260 297.7013 297.2847 298.1885 299.5902 300.0502 300.5883 300.2222 300.8533 299.4226 298.3572 296.6325 
1971 297.1147 298.5237 297.6551 298.2357 299.2424 300.1170 300.1685 300.7998 300.2954 299.1723 297.6027 297.9280 
1972 296.7151 297.0780 298.7322 298.3855 299.0597 299.8273 300.7855 300.4117 300.7720 300.5395 298.8829 297.1235 
1973 298.6290 298.0340 299.4948 299.7021 299.5638 300.6346 301.0317 301.1638 301.1884 299.8911 299.5171 296.3403 
1974 297.1800 296.4090 298.7528 299.4561 299.6811 300.4248 301.0824 300.6847 300.5652 299.2442 298.7965 295.8409 
1975 297.5652 297.0772 298.9879 299.2279 299.8334 300.6037 300.6808 300.9725 300.8924 299.8097 299.9137 298.8818 
1976 297.1521 297.0498 298.5051 297.3756 298.7178 299.8579 300.6675 300.9812 300.7679 299.7939 298.5049 296.5130 
1977 296.8428 297.9812 297.6848 297.4875 298.6508 300.1990 300.9352 300.7864 300.8518 300.1331 297.6448 296.5939 
1978 297.7793 297.4438 297.3552 297.9442 299.9634 300.6604 300.9670 300.8468 300.5271 298.8716 297.0385 296.6052 
1979 295.8889 297.9045 297.8557 298.8567 299.7228 301.3658 301.4915 301.7789 301.1345 300.3012 299.0351 298.3622 
1980 295.8824 296.0169 298.0757 297.9881 300.1099 301.4292 301.1186 301.5790 301.3433 300.3530 298.7972 297.0595 
1981 297.6077 294.6531 296.7285 298.0707 299.2137 300.4208 300.8512 300.7679 300.4884 300.3235 298.9326 297.4721 
1982 297.6814 298.5945 297.2815 299.4780 299.1651 300.8639 300.4955 299.9432 299.8761 299.0814 297.6428 297.5853 
1983 297.8413 296.5963 297.4197 297.5746 298.4752 298.8072 299.8334 300.4953 300.3940 299.2897 298.7885 297.8299 
1984 294.7766 296.4638 299.2039 298.4985 298.1194 300.3401 300.4102 301.4224 301.0694 299.6888 299.6119 298.9304 
1985 297.3010 298.4347 298.2392 299.0537 299.5065 300.4675 301.6564 301.7714 301.4131 300.4555 299.4333 298.4543 
1986 297.3919 297.9268 298.3194 298.7213 298.7292 300.3741 301.5180 300.9806 301.8716 300.4626 299.8511 297.4377 
1987 298.5554 298.7920 298.3844 300.4244 299.4573 299.9398 301.0296 301.4968 301.5066 299.7566 297.9085 296.2339 
1988 297.6538 298.7241 297.9347 298.4764 300.1480 300.4435 300.9149 301.1673 301.5211 299.6174 298.5213 297.2032 
1989 296.4692 297.1909 297.5500 298.7838 300.0073 300.8824 301.2860 301.3097 301.1141 299.9920 298.8194 296.5320 
1990 297.3904 297.9422 297.9643 298.8615 299.3608 300.8207 301.0227 301.3649 301.4302 299.9367 298.5601 297.5784 
1991 297.3937 298.3416 297.8363 299.6177 299.0580 300.3060 301.0209 300.7025 301.5013 300.5818 298.7944 298.1207 
1992 296.3983 298.1436 297.5602 298.3847 299.3413 300.2254 300.8574 301.1856 301.3219 300.7228 299.5167 297.4231 
1993 295.0879 297.4498 298.8727 299.3728 300.4537 300.7655 301.7346 301.5720 301.7738 300.4009 299.5925 297.4340 
1994 298.0193 299.2007 297.7952 299.3631 299.0739 300.3212 300.8084 301.2169 301.3907 300.5939 298.7068 298.1125 
1995 298.1247 299.1650 298.9623 298.4736 299.5611 300.4739 301.7975 301.2620 301.2936 299.3788 298.3318 297.0765 
1996 298.0303 298.5212 299.8365 300.0218 299.9326 301.0085 301.7559 301.3404 301.0096 300.1502 299.7203 297.4708 
1997 298.1729 299.2607 298.2597 298.9585 299.6140 300.7009 301.1460 301.5534 301.4748 300.4330 297.8222 296.8109 
1998 297.2608 298.2384 299.4958 297.8937 300.1228 299.6938 300.9807 301.4845 300.9695 299.9727 299.2813 298.1013 
1999 298.9013 297.6060 299.0942 298.8195 299.5927 300.3759 301.0955 301.8656 301.6732 300.2410 299.0109 297.8937 
2000 298.4898 298.7182 298.5939 298.3777 299.9021 300.5769 301.5848 302.0244 302.0176 300.6962 299.0504 298.5073 
2001 298.1447 298.9377 297.9980 299.6339 300.6027 300.9270 302.3772 301.9666 301.4950 300.8170 299.1602 295.6085 
2002 298.8513 298.6534 297.5384 299.7962 299.6314 301.1220 302.2301 302.5226 301.7110 301.4189 299.6689 297.6972 
2003 297.9931 299.4765 300.1034 299.9610 300.1784 300.6934 300.9949 302.2011 301.9763 299.9240 298.8901 298.9919 
2004 298.2999 299.2886 298.6570 299.9300 299.7786 300.6940 301.2994 301.2671 301.1534 300.1967 299.1461 298.1834