1960 297.3242 296.2033 297.1921 297.4829 299.1046 300.0454 300.4221 300.6203 300.9823 300.4613 298.7314 297.8238 
1961 296.0191 297.3569 297.7137 297.3170 298.1327 299.4147 300.0553 300.6160 300.6366 300.2464 298.7584 297.4057 
1962 296.6413 296.1464 296.6540 296.8184 298.1709 299.3142 300.1799 300.8893 301.2604 300.5059 299.3478 298.2691 
1963 298.1870 297.7095 297.6287 298.5995 299.7900 300.3739 301.2926 301.3040 301.3717 300.4573 299.1597 298.5463 
1964 297.5735 297.9856 298.1833 298.4232 298.9008 300.0978 300.0440 300.4939 300.6812 300.1157 299.4372 298.4679 
1965 298.1133 297.3090 297.6510 297.6589 299.6490 300.1766 300.6111 300.7654 301.0185 300.8124 298.6994 297.4422 
1966 296.6001 297.6919 297.4969 298.0519 298.7356 299.5182 299.9055 300.7217 300.9262 300.1530 299.3965 298.3234 
1967 297.7972 296.9571 297.4997 297.3877 298.3493 299.7090 300.2085 300.2640 300.4244 299.7950 298.7647 297.9547 
1968 296.5172 297.3426 297.1592 297.5065 299.1461 299.8156 300.8423 301.0706 300.9603 300.5009 299.9283 298.7829 
1969 297.3771 297.9745 296.6459 297.2357 298.7170 299.4019 300.4223 301.0270 300.7885 300.2083 299.4481 297.5532 
1970 296.8600 297.2573 296.6454 297.3857 298.7618 299.6932 300.2906 300.2747 300.7243 300.2242 298.7756 297.5876 
1971 297.5817 297.7120 296.9835 296.9265 298.4266 299.5860 299.9670 300.4541 300.5160 299.8370 298.3585 298.3135 
1972 297.5675 297.2271 297.8871 298.2814 298.8067 299.6864 300.4791 300.6454 300.9863 300.6992 299.1602 297.4816 
1973 298.2719 297.6125 298.3183 298.0263 299.3635 300.5153 300.6880 301.2339 301.3242 300.6176 299.6137 297.5994 
1974 297.6062 297.0998 297.7486 297.9837 298.2934 299.8560 300.3852 300.8524 300.9325 300.3036 299.0863 297.4435 
1975 297.8876 297.6542 297.5349 298.1138 298.7464 300.3815 300.6730 300.8424 301.1002 300.5235 300.0491 298.7726 
1976 297.2296 296.7362 297.4406 296.6665 297.9792 299.0204 299.4507 299.6605 300.1020 300.1422 298.9041 296.8409 
1977 297.0267 297.1475 296.6942 297.3571 298.0427 299.2533 299.9747 300.5397 300.7995 300.3281 299.0302 297.7144 
1978 297.4503 296.7565 296.9582 296.9235 298.1737 299.6041 299.7076 300.0045 300.5004 299.9096 299.0554 297.3489 
1979 296.2415 297.3257 296.6176 297.6232 298.4659 299.9492 300.4795 301.0341 301.3019 300.7207 299.5655 298.2363 
1980 296.6834 296.5261 297.3311 296.7717 298.8121 299.9240 300.6364 301.3166 301.4891 301.0160 299.0133 297.4958 
1981 297.5141 295.8189 295.8895 296.3004 297.8056 299.5392 300.1879 300.6877 300.7332 300.3174 298.9060 298.1070 
1982 298.0848 297.6379 296.8135 297.2693 298.0032 299.8268 300.0617 300.1542 300.2920 299.5332 297.8098 297.3788 
1983 297.0796 295.8725 296.6505 297.4024 298.5581 299.6187 299.9337 300.6624 300.6885 299.8661 298.9263 298.4005 
1984 295.8911 296.1950 297.7685 297.5540 298.2402 299.9419 300.3815 301.0584 301.1749 300.5831 299.5200 298.5938 
1985 297.6013 297.8284 297.6187 297.7817 299.0938 300.1142 300.4971 301.1258 301.1261 300.7008 299.7047 298.7084 
1986 297.8141 297.4734 297.4431 298.2156 299.0072 299.8900 300.8446 300.9269 301.3047 300.8247 300.0399 298.3719 
1987 298.9691 298.5066 297.6943 298.5663 299.2254 300.4811 300.4734 301.2032 301.3734 300.7454 299.0675 297.6282 
1988 297.6546 297.7805 296.7863 297.0675 299.2742 300.3091 300.5754 301.1214 300.9611 300.2203 299.2847 298.1089 
1989 297.0285 296.7195 296.3499 297.0485 299.0884 300.3096 300.5885 301.0132 301.1810 300.1338 299.0899 297.1087 
1990 296.8090 296.8109 296.2841 297.1251 298.7532 299.9743 300.4781 301.0220 301.1788 300.3592 298.7784 297.8288 
1991 297.0980 297.0540 296.4814 298.2173 299.3953 300.2268 300.6625 300.6850 301.3142 300.8347 299.2181 298.0403 
1992 298.0382 298.0431 297.0521 297.7603 299.2629 300.2872 300.4151 300.7646 301.0710 300.7581 299.8709 298.2848 
1993 296.2190 296.9340 297.3515 297.6782 299.1210 300.3050 300.9834 301.0038 301.3147 300.5673 299.7159 298.0477 
1994 298.1282 298.0218 297.3670 297.9993 298.9170 300.3161 300.4981 300.8851 301.1711 300.3346 299.1777 298.1442 
1995 297.8950 298.1944 297.9581 298.2385 299.0594 300.7640 301.2059 301.3386 301.5491 300.9061 298.8272 298.4547 
1996 298.4098 298.3926 298.9201 298.6622 299.3528 300.2134 300.9472 301.2060 300.9773 300.5855 299.5476 298.3222 
1997 298.0847 298.2715 297.8638 297.9474 298.9675 300.3536 300.4388 300.9018 301.1011 300.9496 299.4458 298.1615 
1998 298.0808 298.2922 298.1995 298.3638 299.5827 299.9199 300.6133 301.1584 301.1129 300.8444 299.7565 298.5732 
1999 298.9404 297.4585 297.5330 298.5463 299.3893 300.3791 300.7798 301.3830 301.8479 301.2931 299.5737 297.9955 
2000 298.3115 298.0440 297.5591 297.3243 298.9067 300.0361 300.9842 301.4274 301.9667 300.9969 299.3758 298.4362 
2001 298.0147 297.6242 297.8208 298.1163 299.5073 300.4664 301.4430 301.4195 301.4916 301.1040 299.8757 297.4944 
2002 298.8362 297.9885 297.4541 298.3440 299.5324 301.1051 301.8221 302.0634 301.8271 301.2854 299.6959 298.4481 
2003 298.2993 298.7993 298.7327 298.3670 299.8904 300.8093 300.9893 301.6560 301.8666 301.1807 299.5844 298.6918 
2004 298.6006 298.5253 298.0092 297.8597 299.4501 300.3999 300.9164 301.2819 301.4933 300.9331 299.8367 298.8378