1951 28.084 28.115 28.111 28.342 27.669 27.232 26.445 25.763 25.961 26.681 27.726 28.474 1952 28.589 28.601 29.075 28.787 28.079 27.200 26.347 26.126 26.431 27.197 27.427 27.534 1953 28.068 28.375 28.858 28.752 27.890 27.022 26.182 25.804 25.990 26.947 28.099 28.748 1954 28.715 28.956 29.120 28.596 28.042 27.005 26.303 26.023 26.217 27.055 27.842 28.194 1955 28.737 28.413 28.811 28.662 28.205 27.358 26.726 26.509 26.976 27.407 28.086 28.659 1956 28.660 28.350 28.508 28.443 27.698 26.801 26.386 26.079 26.267 27.071 27.989 28.310 1957 28.329 28.338 28.514 28.705 28.505 27.752 26.834 26.537 26.768 27.329 28.340 29.220 1958 29.554 29.583 29.657 29.770 28.968 28.201 27.442 26.866 27.195 27.701 28.423 29.093 1959 28.871 29.269 29.508 29.185 28.705 27.640 26.633 26.289 26.551 27.260 27.878 28.497 1960 29.097 29.301 29.570 29.136 28.527 27.325 26.733 26.447 26.678 27.779 28.592 29.352 1961 29.006 29.171 29.231 29.003 28.417 27.269 26.066 25.734 26.057 27.013 28.223 28.749 1962 28.576 28.296 29.221 29.116 28.310 27.375 26.840 26.428 26.432 27.009 27.663 28.390 1963 28.558 28.328 28.933 28.904 28.311 27.035 26.155 25.698 25.861 26.732 27.841 28.661 1964 28.808 28.790 28.898 28.780 28.458 27.544 26.730 26.287 26.181 26.692 27.377 28.005 1965 28.303 28.391 28.334 28.316 27.857 26.969 26.052 25.787 26.126 26.671 27.484 28.165 1966 28.680 28.701 29.119 28.980 28.289 26.928 26.238 25.737 26.172 27.288 27.990 28.672 1967 28.248 28.050 28.219 28.246 27.568 26.785 25.805 25.485 25.797 26.687 27.757 28.055 1968 27.752 27.723 28.194 28.053 27.451 26.858 26.262 26.226 26.648 27.425 28.504 29.118 1969 28.802 28.656 29.035 29.031 28.458 27.652 26.667 26.200 26.406 27.429 28.372 28.781 1970 29.013 28.829 29.512 29.335 28.306 27.422 26.845 26.184 26.421 27.343 28.135 28.494 1971 28.655 28.485 28.608 28.388 27.789 26.936 26.606 26.339 26.572 27.122 27.493 27.806 1972 28.416 28.786 28.617 28.270 27.741 26.806 26.448 26.255 26.657 27.244 28.193 29.119 1973 29.365 29.154 29.358 29.200 28.843 28.125 27.550 27.223 27.294 27.930 28.356 28.564 1974 28.032 27.781 27.963 28.257 27.829 27.033 26.858 26.558 27.001 27.655 28.140 28.505 1975 28.853 28.595 28.735 28.552 28.043 27.119 26.786 26.448 27.054 27.705 28.169 28.320 1976 27.862 27.945 28.250 28.193 27.513 26.580 25.749 25.648 25.894 26.534 27.342 28.016 1977 28.537 28.567 28.602 28.539 27.973 26.994 26.047 25.657 25.940 26.594 27.724 28.353 1978 29.134 28.752 29.287 28.712 28.230 27.424 26.901 26.356 26.594 27.220 28.321 28.935 1979 28.855 28.732 28.734 28.911 28.395 27.351 26.378 25.959 26.541 27.940 28.875 29.254 1980 29.161 28.829 29.312 29.164 28.627 27.923 27.384 26.721 26.753 27.711 28.453 28.888 1981 28.613 28.310 29.037 28.994 28.384 27.452 27.083 26.537 27.007 27.947 28.264 28.280 1982 28.686 28.199 28.740 28.918 28.137 27.035 26.174 26.040 26.105 27.055 28.459 29.601 1983 29.380 30.020 30.302 29.954 28.574 27.278 25.995 25.637 26.477 27.807 28.816 28.818 1984 28.908 28.840 29.070 28.875 28.458 27.484 26.471 26.199 26.644 27.420 28.509 28.747 1985 28.785 29.228 28.940 29.261 28.627 27.820 26.567 25.965 26.384 26.957 27.970 28.329 1986 28.756 28.584 28.891 29.214 28.286 27.535 26.766 25.801 26.244 26.870 27.787 28.628 1987 29.225 28.188 29.049 28.930 28.576 27.463 26.734 26.039 26.137 26.832 27.668 27.706 1988 29.115 29.878 30.238 29.072 29.023 28.135 26.760 26.544 26.832 27.891 28.637 28.422 1989 29.059 29.129 29.361 29.161 28.492 28.003 27.359 26.699 26.712 27.527 28.596 29.037 1990 28.979 29.023 28.952 29.444 28.455 27.372 26.623 26.551 26.518 27.531 28.419 29.028 1991 29.027 28.478 28.876 28.729 28.163 27.460 26.594 25.970 26.023 27.095 27.703 28.597 1992 29.336 29.442 29.648 29.604 28.936 28.433 27.041 26.446 26.587 27.031 28.207 28.625 1993 28.893 27.735 28.805 29.097 28.406 27.630 26.337 25.885 26.122 26.761 28.205 28.915 1994 29.163 29.549 28.916 28.608 27.663 26.715 25.951 25.567 26.148 26.933 28.754 29.102 1995 29.428 29.182 29.152 29.313 28.805 27.763 26.798 26.112 26.530 27.329 28.375 28.553 1996 28.734 28.624 29.069 29.290 28.144 27.347 27.092 26.717 26.931 27.908 29.007 29.011 1997 28.514 28.271 28.499 28.936 28.689 28.369 26.495 25.863 26.112 26.951 28.234 29.342 1998 29.105 29.746 30.626 30.386 29.502 28.470 28.378 27.789 27.611 28.368 29.054 28.954 1999 29.711 29.498 29.387 29.203 28.758 27.973 26.961 26.409 26.546 27.590 28.602 28.923 2000 29.070 28.972 28.680 29.489 28.500 27.242 26.549 26.227 26.510 27.817 28.429 28.580 2001 29.155 28.721 28.791 28.831 28.783 28.087 27.340 26.773 26.766 27.837 28.315 28.670