1960 297.1312 296.0775 297.0831 297.3376 298.8826 299.7486 300.1627 300.4024 300.8654 300.3568 298.5121 297.6291 
1961 295.5860 297.2952 297.4969 296.9449 298.0102 298.9724 299.6892 300.3984 300.5925 300.1674 298.5361 297.5429 
1962 296.7343 296.3186 296.7906 296.7792 298.0305 299.3346 300.0469 300.7091 301.3972 300.3720 299.1534 297.8442 
1963 297.9834 297.1196 297.1631 298.4786 299.6757 300.5671 301.0579 301.1739 301.0874 300.3417 298.7852 298.4825 
1964 297.2714 297.9354 298.0622 298.1982 298.6360 299.8567 299.8659 300.1989 300.4387 300.0167 299.3016 298.4008 
1965 298.0155 297.3698 297.4684 297.3628 299.3056 299.8260 300.3050 300.4133 300.8157 300.3578 298.2652 296.9799 
1966 296.3622 297.3849 297.2771 297.8431 298.5462 299.2756 299.6903 300.3792 300.5437 300.0057 299.2731 297.7366 
1967 297.5796 296.5594 296.9915 297.2408 298.1042 299.5923 299.9842 299.9807 300.1132 299.5891 298.3885 297.4984 
1968 296.3038 297.2053 296.7948 297.1595 298.8528 299.5927 300.8847 301.1545 300.8525 300.3840 299.8056 298.4514 
1969 296.9995 297.5097 296.2880 297.0898 298.6515 299.4161 300.3620 301.0190 300.6053 299.9286 299.1013 296.7731 
1970 295.8920 296.5868 296.1845 296.9164 298.3147 299.1537 300.2496 300.0649 300.3456 300.1922 298.7898 297.2739 
1971 297.2936 297.4968 296.7957 296.7908 298.3142 299.2668 299.5310 299.9896 300.0736 299.5862 297.6893 297.9482 
1972 296.9555 296.6567 297.5566 297.8573 298.7066 299.5137 300.2530 300.0834 300.5070 300.5403 299.1739 297.3737 
1973 298.2210 297.2630 298.1866 298.0002 299.0100 300.3374 300.3889 300.9763 301.0676 300.3048 299.4025 297.1374 
1974 297.0416 296.3570 297.3386 297.7745 298.1715 299.5198 300.1046 300.5341 300.8160 300.2356 298.9189 296.6631 
1975 297.2843 296.7459 297.1836 297.8580 298.6059 300.0117 300.4689 300.6110 301.0042 300.3994 299.8404 298.7273 
1976 297.0559 296.5432 297.3413 296.5893 297.6891 298.7646 299.0816 299.3371 299.7447 299.8603 298.8575 296.9273 
1977 296.9886 297.0657 296.7490 296.8711 298.0280 299.3373 299.7235 300.2909 300.5970 300.2735 298.5484 297.4772 
1978 297.3600 296.7318 296.9703 297.0067 297.8730 299.3895 299.4900 299.6227 300.1435 299.7834 298.3880 297.0127 
1979 296.0856 296.9600 296.6752 297.4724 298.1046 299.6670 300.3535 300.9872 301.1894 300.7103 299.3988 298.4029 
1980 296.3831 296.0951 296.8982 296.5354 298.6449 299.8403 300.6744 301.1536 301.4536 300.8610 298.7927 297.5080 
1981 297.4718 294.9775 295.8081 296.3214 297.5164 299.2112 299.9482 300.2839 300.7083 300.3044 298.9118 297.8051 
1982 297.7498 297.6678 296.6823 297.0941 297.8092 299.5469 299.5915 299.8856 300.1999 299.3385 297.7944 297.7516 
1983 297.4012 296.0760 296.6496 297.2816 298.1218 299.3756 299.7939 300.4567 300.4693 299.7121 298.6607 298.2185 
1984 295.5165 296.1487 297.4041 297.0826 297.8076 299.4179 299.8501 300.9094 301.1156 300.3651 299.3533 298.6213 
1985 297.4571 297.5761 296.9409 297.7049 298.9427 299.9673 300.1091 300.9419 301.0083 300.6142 299.4836 298.4697 
1986 297.3932 296.8881 297.0351 297.7570 298.6210 299.5826 300.4009 300.7799 301.0798 300.2913 299.6132 297.9304 
1987 298.3328 297.9789 297.3709 298.4172 299.0796 300.1825 300.1779 300.7451 301.0493 300.3912 298.4636 297.0062 
1988 297.3989 297.5935 296.7050 297.1350 298.8937 300.2552 300.5095 300.6633 300.7521 299.9099 299.1062 297.6441 
1989 296.8312 296.6602 296.1916 296.8877 298.6213 299.8969 300.2191 300.4215 300.7993 299.9887 298.8265 296.6604 
1990 296.9465 296.7513 296.4962 297.2968 298.5662 299.6573 300.2366 300.6714 300.9213 300.2140 298.5212 297.7913 
1991 296.9662 296.9915 296.6269 298.0290 298.6321 299.7392 300.2201 300.3508 301.1229 300.6894 299.0034 297.9583 
1992 297.5661 297.5468 296.6246 297.3891 298.9622 300.0675 300.1056 300.6214 300.8139 300.6903 299.6936 297.8926 
1993 295.8031 296.7049 296.9569 297.3132 298.7557 300.1885 300.6757 300.8569 301.0413 300.2820 299.4069 297.7322 
1994 297.8395 297.9243 297.0301 297.7807 298.7220 300.2208 300.2946 300.5988 300.8427 300.0320 298.7153 297.9736 
1995 297.7742 297.9848 297.7606 297.8648 298.7469 300.5266 300.9739 301.0004 301.2098 300.4244 298.6432 298.0138 
1996 298.2029 297.9505 298.6086 298.5201 299.0403 299.9171 300.7624 300.9346 300.6980 300.3483 299.2041 297.6660 
1997 297.8536 298.0009 297.5240 297.6885 298.4420 299.9983 300.0579 300.4167 300.8422 300.7858 299.0198 297.6638 
1998 297.5684 297.6606 297.8598 297.9123 299.3961 299.7294 300.4251 300.9243 300.9117 300.6816 299.4086 298.1236 
1999 298.6835 297.1333 297.7089 298.0712 299.0666 300.2333 300.5837 301.1367 301.6818 301.2134 299.4149 298.1222 
2000 298.2507 298.0337 297.5061 297.4450 298.7733 299.7735 300.8411 301.2316 301.9400 300.6335 299.0462 298.3817 
2001 297.9355 297.7442 297.6731 298.0943 299.3230 300.2154 301.2859 301.1647 301.1151 300.9360 299.5344 296.7678 
2002 298.5430 297.6957 296.8411 297.9710 299.2027 300.8501 301.3193 301.8966 301.5602 301.2057 299.4237 297.9756 
2003 297.6356 298.3942 298.1695 298.0709 299.5513 300.3470 300.7578 301.3765 301.8070 300.7644 299.2509 298.8387 
2004 298.3162 298.2370 297.6418 297.9373 298.9861 299.9548 300.6380 300.9783 301.2895 300.7479 299.4961 298.3128