1960 293.1906 293.1059 294.8307 296.0215 296.4981 296.3337 296.9740 296.9037 297.0106 296.5186 294.1478 294.1093 
1961 292.1833 294.5796 294.4861 294.7962 295.6438 296.2452 296.8295 296.9106 296.9418 295.7894 294.4550 293.5700 
1962 292.9830 293.0288 294.9009 295.3082 295.9642 295.6633 296.7931 296.9052 297.5620 296.3123 295.1925 294.0324 
1963 294.6455 294.8788 295.4819 297.1339 296.6421 297.2385 297.6450 297.5960 297.6844 296.7225 295.2409 294.7751 
1964 293.8248 294.8243 294.8732 295.6449 295.0210 296.2343 296.3799 296.8619 296.8663 296.3299 296.1028 294.0920 
1965 293.7267 294.4139 294.6064 294.1565 296.1373 296.5831 297.2889 297.2868 297.5467 296.7455 294.5672 294.0378 
1966 294.0376 294.7587 295.0056 295.6867 295.4886 296.0559 296.2900 296.9358 296.9148 296.2649 295.4296 294.0525 
1967 293.7486 293.7810 294.7677 294.7208 295.0073 296.0172 296.6617 296.6740 297.3111 295.9215 294.7888 294.2438 
1968 292.5653 293.8812 294.7959 295.5258 296.1093 296.5055 297.0880 297.1504 296.7756 296.5949 295.8557 294.2509 
1969 293.6789 294.1848 293.4284 294.7899 295.2725 296.0106 297.6017 296.9881 296.8306 296.0724 296.0191 293.5509 
1970 293.1818 294.8148 294.4106 294.7228 295.9894 296.3685 296.6086 296.4187 296.8426 295.4942 293.8737 292.7177 
1971 293.5397 293.7615 293.8945 294.9072 295.0922 296.1120 296.2808 296.6870 296.4990 296.1008 294.5809 294.3716 
1972 293.7507 294.1338 294.8540 295.1154 295.2818 296.3680 296.7812 296.9290 297.2049 297.0267 295.7703 294.0082 
1973 295.0742 295.2276 296.0488 295.5385 295.9311 297.0845 297.2461 297.5323 297.3796 296.6799 295.8608 293.0096 
1974 293.6920 294.0427 295.3731 296.0168 295.8578 296.6594 296.8938 296.9854 296.9020 295.8240 295.2036 293.1158 
1975 293.8073 294.1840 295.3858 295.8291 295.6479 296.5792 297.1031 297.5252 297.3305 296.6260 295.8373 295.1672 
1976 293.7498 293.5119 295.1638 294.5450 295.2239 296.2271 296.2285 296.8213 297.0426 296.1021 294.9881 293.2750 
1977 293.5187 294.3116 294.6491 294.7634 295.5258 296.2949 296.9524 297.0537 297.0938 296.4789 294.9406 293.8932 
1978 294.4051 293.7776 293.6706 294.4424 295.8850 296.6056 296.8241 296.7372 296.9011 295.5896 294.4959 293.4668 
1979 292.4057 294.9607 294.9072 295.6029 295.8767 297.4674 297.6006 297.6723 297.3857 296.8263 295.9252 294.4812 
1980 292.7283 293.1900 294.4872 294.5912 296.2573 297.0246 297.0514 297.5253 297.5056 296.5295 295.1732 293.2292 
1981 293.8087 292.4655 293.7264 295.2186 295.6325 296.6101 297.0093 296.9362 296.9792 296.4177 295.5061 293.8832 
1982 293.9463 295.1094 293.8922 295.8954 295.7475 296.6378 296.4545 296.3456 296.2034 295.2952 294.2183 294.1675 
1983 293.3282 293.2366 294.2687 294.0852 294.9599 295.2404 296.2903 296.7726 296.8199 295.8114 295.1917 293.8534 
1984 292.0478 293.3558 295.7230 294.4125 295.0514 296.9107 297.1714 297.6580 296.7077 296.2427 295.5673 295.1411 
1985 293.7865 295.1690 295.5594 295.6566 295.9231 296.4016 297.8655 297.8180 297.6127 296.6852 295.6255 294.8502 
1986 294.1404 294.7141 294.6391 295.0417 294.9441 296.5712 297.6659 297.2023 298.0300 297.2875 295.7964 293.7878 
1987 294.8118 295.3158 295.1960 296.6122 295.3807 296.5876 296.8713 297.7999 297.8066 296.5412 295.2066 293.2884 
1988 293.9813 294.8871 294.9132 295.1358 296.8663 296.8228 297.4759 297.2566 297.9024 295.7930 294.9927 294.0619 
1989 293.1045 293.4599 293.6800 294.8423 296.2202 296.8839 297.3925 297.3337 297.3753 296.0514 294.9269 293.8684 
1990 293.3328 294.6875 294.4206 295.3001 295.9146 296.8294 297.0331 297.6012 297.5253 296.3516 295.1675 294.1840 
1991 293.6599 294.7214 294.4000 296.1517 295.5542 296.5219 296.8738 297.0588 297.4031 296.8239 294.8673 294.0211 
1992 293.6235 295.0078 294.3740 295.2198 296.0844 296.8933 297.2630 297.3433 297.2538 296.9997 296.0904 293.8958 
1993 292.1020 294.3227 295.1973 295.5854 296.6953 297.0333 297.6045 297.5823 297.9860 296.7649 295.7299 293.8537 
1994 294.6235 295.0529 294.6296 295.4834 295.5519 296.9035 296.9154 297.0506 297.3805 296.4108 295.5469 294.5894 
1995 294.3300 295.5195 295.6277 294.5076 295.8931 297.3144 297.5810 297.4489 297.9197 296.3150 295.1298 293.7700 
1996 294.7516 295.4002 295.6287 295.9601 296.0567 296.9436 297.8338 297.2898 296.9771 296.4437 295.8667 293.8942 
1997 294.7002 295.0815 294.5667 295.4735 296.1906 296.9975 297.2696 297.7619 297.7171 296.6881 294.5595 293.6912 
1998 294.2375 295.1356 295.7320 295.0105 296.0869 296.4010 297.1693 297.7874 297.2099 296.3564 296.0211 295.1298 
1999 295.0880 294.8121 295.5369 295.7861 296.1709 297.0651 297.2386 298.0652 298.1000 296.5995 295.4585 294.5316 
2000 295.0628 294.2030 294.7224 295.0723 296.0294 296.6754 297.5527 298.2528 298.0135 296.9308 295.6682 294.7789 
2001 294.7393 295.2950 294.6591 295.7734 296.6964 297.1556 298.4516 297.8012 297.7885 297.2680 295.4596 292.3094 
2002 295.1878 295.1583 294.9354 296.1550 296.3383 297.5173 298.3623 298.3932 298.1143 297.3434 295.6923 294.5039 
2003 294.7849 295.5986 296.7681 296.0533 296.4913 297.5645 297.5258 298.0747 297.8451 296.7657 295.8215 295.5880 
2004 294.5475 295.2664 295.3769 296.0435 296.7951 297.3423 297.9068 297.5782 297.6183 296.9031 295.8330 295.0005