1960 297.0605 295.9684 296.9948 297.2496 298.7753 299.6667 300.0868 300.3655 300.7766 300.2989 298.3932 297.5401 
1961 295.4490 297.1931 297.4240 296.8340 297.9138 298.9101 299.6495 300.3128 300.5219 300.1077 298.4499 297.4041 
1962 296.5942 296.1566 296.6013 296.6039 297.8682 299.2705 300.0080 300.6453 301.3014 300.3199 299.0688 297.7746 
1963 297.9240 297.0495 297.0569 298.3319 299.5393 300.4528 301.0133 301.1320 301.0553 300.2729 298.7550 298.4050 
1964 297.2182 297.8317 298.0266 298.1117 298.5876 299.8092 299.8346 300.1500 300.4061 299.9800 299.2393 298.3527 
1965 297.9495 297.2681 297.3904 297.2899 299.2598 299.8211 300.2839 300.3932 300.7628 300.3699 298.2048 296.9339 
1966 296.2632 297.3375 297.2031 297.7516 298.4443 299.2692 299.6317 300.3478 300.5154 299.9160 299.2417 297.7289 
1967 297.5594 296.5045 296.9287 297.1689 298.0532 299.5060 299.9611 299.9506 300.0891 299.5266 298.3515 297.4379 
1968 296.2470 297.1794 296.7228 297.0755 298.8115 299.5153 300.8076 301.1073 300.7810 300.3534 299.7709 298.4294 
1969 296.9781 297.4777 296.2184 297.0219 298.5455 299.3431 300.3356 300.9913 300.5312 299.9040 299.0593 296.7366 
1970 295.9378 296.5722 296.0994 296.8666 298.2565 299.1031 300.1288 300.0095 300.2705 300.1524 298.7030 297.2400 
1971 297.2565 297.4599 296.7053 296.6887 298.2342 299.2549 299.4716 299.9528 300.0692 299.5249 297.6659 297.9260 
1972 296.9669 296.6420 297.5561 297.8274 298.6307 299.4482 300.2126 300.0803 300.4501 300.4605 299.0664 297.2480 
1973 298.1621 297.2050 298.0988 297.8783 298.8944 300.2826 300.3321 300.9008 301.0140 300.2696 299.3550 297.1287 
1974 297.0126 296.3465 297.2638 297.7061 298.0950 299.4483 300.0741 300.4825 300.7502 300.1742 298.8476 296.6698 
1975 297.3157 296.7546 297.1343 297.8070 298.5139 299.9503 300.4494 300.5839 300.9562 300.3526 299.7812 298.6564 
1976 296.9840 296.4540 297.2078 296.4729 297.6076 298.7189 299.0248 299.2447 299.6866 299.7812 298.7487 296.7762 
1977 296.8785 296.9214 296.5590 296.7908 297.9149 299.2516 299.6682 300.2556 300.5186 300.1760 298.4673 297.4145 
1978 297.2844 296.6076 296.8912 296.8831 297.7590 299.3096 299.4067 299.5368 300.0663 299.6996 298.3313 296.8752 
1979 295.9480 296.8687 296.5123 297.3372 298.0101 299.6259 300.2647 300.9291 301.0896 300.6562 299.3012 298.3233 
1980 296.2937 296.0068 296.8336 296.4069 298.5726 299.7507 300.6022 301.0844 301.4166 300.8036 298.7551 297.4421 
1981 297.3812 294.9803 295.6985 296.1611 297.4578 299.1725 299.8950 300.2290 300.6476 300.2115 298.8314 297.7402 
1982 297.7072 297.6022 296.6100 296.9751 297.7164 299.4875 299.5756 299.8435 300.1363 299.2838 297.6916 297.6437 
1983 297.3239 295.9550 296.5388 297.1593 298.0627 299.3744 299.7268 300.3849 300.3887 299.6278 298.5779 298.1622 
1984 295.3837 296.0337 297.3148 296.9968 297.7384 299.3603 299.8358 300.8659 301.0632 300.3500 299.3034 298.5476 
1985 297.3613 297.5287 296.9093 297.5775 298.8167 299.9207 300.0092 300.8688 300.9566 300.5254 299.4287 298.4191 
1986 297.3147 296.8420 296.9488 297.7550 298.5377 299.5635 300.3775 300.7124 300.9894 300.2309 299.5811 297.8936 
1987 298.3507 297.9619 297.3558 298.3760 298.9966 300.1606 300.1736 300.6956 300.9749 300.3294 298.4445 297.0040 
1988 297.3830 297.5438 296.5817 297.0084 298.7822 300.1116 300.3605 300.5892 300.7070 299.8127 299.0535 297.5974 
1989 296.7384 296.5540 296.0515 296.7914 298.5356 299.8217 300.1381 300.3627 300.7519 299.9041 298.7486 296.5862 
1990 296.8221 296.6415 296.3070 297.1573 298.4659 299.5742 300.1668 300.6248 300.8841 300.1523 298.4646 297.7054 
1991 296.9169 296.8945 296.5037 297.9192 298.5818 299.7024 300.1210 300.3003 301.1120 300.6488 298.9508 297.8544 
1992 297.5460 297.5040 296.5381 297.3215 298.8762 299.9794 300.0529 300.5001 300.7437 300.6150 299.6184 297.8516 
1993 295.6980 296.6087 296.8735 297.2259 298.6749 300.1225 300.6439 300.7861 300.9980 300.2337 299.3780 297.7089 
1994 297.7977 297.9029 296.9328 297.6696 298.6385 300.1504 300.2343 300.5513 300.7950 299.9754 298.7141 297.9068 
1995 297.7048 297.8939 297.6647 297.8336 298.6764 300.5145 300.9276 300.9811 301.1297 300.4552 298.6010 298.0062 
1996 298.1512 297.9020 298.5884 298.4292 298.9781 299.8930 300.7014 300.9040 300.6591 300.3023 299.1979 297.6969 
1997 297.7944 297.9534 297.4553 297.5899 298.3862 299.9660 300.0607 300.3580 300.7598 300.7300 298.9716 297.6357 
1998 297.5666 297.6635 297.8385 297.8881 299.3409 299.7082 300.3679 300.8505 300.8077 300.6171 299.3488 298.0434 
1999 298.6458 297.0521 297.5609 297.9794 298.9736 300.1574 300.5136 301.0716 301.6119 301.1607 299.2726 297.9814 
2000 298.1443 297.9614 297.4209 297.3013 298.6663 299.7425 300.7912 301.1616 301.8788 300.5814 298.9799 298.3030 
2001 297.8594 297.6274 297.6365 297.9581 299.2230 300.1378 301.2050 301.1215 301.0432 300.8748 299.5107 296.7033 
2002 298.4832 297.6068 296.8059 297.8658 299.1452 300.8259 301.3013 301.8189 301.4865 301.1257 299.3459 297.9014 
2003 297.5455 298.3567 298.1063 297.9666 299.5006 300.3158 300.6840 301.3086 301.7349 300.7318 299.2201 298.7779 
2004 298.2745 298.1700 297.5854 297.8439 298.9289 299.9066 300.5663 300.9318 301.2354 300.6902 299.4903 298.2707