1960 297.3646 296.4331 297.1685 297.3709 298.8297 299.5615 299.8560 300.0231 300.5667 300.2627 298.7416 297.7574 
1961 296.0786 297.3578 297.5814 297.3120 298.1648 299.1427 299.7317 300.2047 300.2971 300.0777 298.6826 297.6136 
1962 296.8717 296.3454 296.7574 296.7829 297.9633 299.0938 299.7950 300.4877 301.1225 300.3737 299.3369 298.1987 
1963 298.1470 297.6028 297.5684 298.5939 299.6854 300.3708 300.9058 301.0183 300.9756 300.3317 299.1774 298.6377 
1964 297.5580 298.0022 298.0737 298.3949 298.8195 299.9506 299.7249 300.0225 300.3641 299.9879 299.2607 298.4527 
1965 298.0768 297.4182 297.6147 297.6048 299.5163 299.8966 300.2393 300.2483 300.7127 300.5143 298.6984 297.4603 
1966 296.6832 297.4886 297.3610 297.8017 298.5789 299.1194 299.5082 300.1674 300.4308 299.9104 299.1519 297.9769 
1967 297.6889 296.8310 297.3644 297.3695 298.1463 299.5002 299.7509 299.7958 299.9113 299.5867 298.6352 297.8416 
1968 296.5697 297.3185 297.1193 297.4637 298.9579 299.4895 300.4956 300.6506 300.6014 300.2166 299.6985 298.5638 
1969 297.4006 297.7684 296.5720 297.2030 298.6249 299.0923 299.9686 300.6055 300.4953 299.9600 299.2816 297.3878 
1970 296.6110 297.0836 296.6062 297.1740 298.4728 299.1508 299.8072 299.8266 300.1519 300.1105 298.7487 297.4752 
1971 297.4213 297.5489 296.9696 296.9621 298.2240 299.1114 299.3445 299.7732 299.9858 299.6828 298.1534 298.1329 
1972 297.3559 297.0913 297.7774 298.0448 298.6649 299.4532 300.0308 300.0017 300.4617 300.6142 299.1115 297.6028 
1973 298.1629 297.4827 298.1541 298.0615 299.1001 300.2101 300.0826 300.6603 300.8033 300.3276 299.5324 297.5347 
1974 297.4463 296.8842 297.6943 297.9086 298.2398 299.4093 299.9435 300.3345 300.6068 300.1376 299.0021 297.2767 
1975 297.7256 297.4011 297.5563 298.0873 298.6885 300.0027 300.2484 300.4165 300.8106 300.4096 299.9295 298.8270 
1976 297.3325 296.8174 297.5001 296.7923 297.9634 298.8068 299.0473 299.2303 299.6457 299.8293 298.9516 297.0700 
1977 297.0704 297.0883 296.8188 297.2222 297.9616 299.2099 299.6038 300.1166 300.4663 300.2532 298.9876 297.7337 
1978 297.4513 296.8100 296.8517 297.0014 298.0557 299.4511 299.3222 299.4034 299.8807 299.6754 298.8511 297.3911 
1979 296.4324 297.1825 296.7905 297.6241 298.2600 299.5215 300.0486 300.6751 301.1069 300.6574 299.6173 298.3466 
1980 296.8113 296.4801 297.0377 296.7191 298.6189 299.6919 300.2896 300.7694 301.1316 300.9480 298.9629 297.6035 
1981 297.5074 295.6725 296.0144 296.4375 297.6054 299.1321 299.6297 299.9587 300.5014 300.3052 298.8462 297.8307 
1982 297.8197 297.5641 296.8391 297.2811 297.9598 299.4305 299.5088 299.6544 299.9436 299.3492 297.8460 297.5852 
1983 297.1852 296.0877 296.6991 297.4234 298.3991 299.2686 299.5143 300.0841 300.1891 299.5368 298.7114 298.1463 
1984 295.8983 296.2701 297.4073 297.3828 297.9817 299.5045 299.8295 300.5683 300.8227 300.3403 299.3704 298.5440 
1985 297.5222 297.6696 297.3449 297.9107 299.0947 299.9420 299.8676 300.5327 300.6548 300.5497 299.5272 298.5754 
1986 297.6819 297.3728 297.3617 298.0247 298.8898 299.6680 300.2243 300.5312 300.8013 300.4897 299.7555 298.2345 
1987 298.6793 298.2910 297.6741 298.3521 299.1940 300.1948 300.0407 300.5060 300.8280 300.5106 298.9518 297.5464 
1988 297.6177 297.5736 296.8072 297.0847 299.0626 299.9768 300.0847 300.2293 300.3890 299.7970 299.0262 297.9198 
1989 297.0039 296.8937 296.4874 297.1734 298.7366 299.7743 299.8611 300.1012 300.4798 299.9137 298.9307 297.1136 
1990 297.0233 296.7822 296.4503 297.0691 298.3718 299.5161 299.8132 300.3129 300.5923 300.0310 298.5595 297.8056 
1991 297.0451 296.9732 296.6664 298.0760 299.0099 299.6550 299.9680 300.0727 300.7881 300.6101 299.0198 298.0906 
1992 297.7150 297.7780 296.9489 297.6227 299.0271 299.9829 299.8511 300.3080 300.5535 300.4767 299.6802 298.2137 
1993 296.3190 297.0852 297.3200 297.5948 298.7726 299.8984 300.4290 300.4937 300.7598 300.3083 299.5447 297.9547 
1994 298.0231 297.9751 297.2618 297.9030 298.8419 300.0524 300.0551 300.3560 300.6150 300.1213 298.9918 298.1787 
1995 297.8911 298.0393 297.8801 298.1089 298.8719 300.5066 300.7652 300.7573 301.0219 300.6033 298.7903 298.2761 
1996 298.3360 298.1900 298.6030 298.6395 299.1146 299.8256 300.5172 300.7729 300.6218 300.3148 299.3018 298.0559 
1997 298.0374 298.1177 297.7487 297.9534 298.7603 300.0419 300.0033 300.2638 300.7159 300.5960 299.2605 298.0201 
1998 298.0153 298.0800 298.1573 298.2221 299.5751 299.7560 300.2603 300.6927 300.6388 300.5801 299.6175 298.6046 
1999 298.8976 297.5113 297.8168 298.2577 299.1717 300.1911 300.3779 300.8591 301.4562 301.1224 299.5729 298.2533 
2000 298.4361 298.0056 297.5031 297.4604 298.8888 299.8017 300.5998 300.9289 301.5804 300.6452 299.2457 298.4073 
2001 297.9452 297.7306 297.7331 298.1040 299.3736 300.0858 300.9710 300.8995 300.8956 300.7620 299.7405 297.3907 
2002 298.6773 297.9604 297.4240 298.3227 299.4649 300.8821 301.2273 301.4474 301.3775 301.2625 299.7235 298.4428 
2003 298.1277 298.6334 298.5736 298.3896 299.7992 300.4842 300.5799 301.0767 301.6030 300.9661 299.5193 298.8253 
2004 298.4769 298.3518 297.9313 297.9525 299.2045 299.8737 300.5067 300.7935 301.1880 300.7802 299.6317 298.6602