1990 30.647 30.799 32.050 30.254 30.917 28.877 29.666 30.500 32.673 31.423 32.104 31.821 30.803 33.120 30.588 31.510 30.600 30.768 31.377 31.211 30.527 31.142 31.972 30.627 31.406 31.681 31.501 30.639 30.586 30.364 31.585 30.714 30.993 31.132 29.689 32.291 32.510 31.643 31.014 31.040 29.606 30.849 29.775 30.037 31.158 30.468 30.577 31.742 30.029 29.701 29.763 30.883 29.779 29.921 30.187 30.525 30.335 29.750 31.574 30.602 1991 30.331 29.549 30.932 29.505 31.766 29.258 29.806 31.717 32.705 31.582 31.395 30.402 31.799 30.911 29.984 30.920 30.836 30.199 31.331 30.855 30.024 31.769 30.743 31.829 30.962 33.356 31.065 30.550 31.505 30.515 31.706 31.661 29.649 31.640 30.569 31.188 31.473 30.520 30.701 29.997 29.687 30.521 29.495 30.324 30.756 30.506 29.974 30.442 30.425 30.379 30.489 30.553 30.063 29.673 30.323 30.767 30.830 30.019 31.437 30.595 1992 31.052 30.113 30.633 29.926 32.138 29.322 30.451 31.440 32.797 31.221 31.411 29.950 31.079 30.521 30.986 30.593 31.786 30.531 30.714 31.283 31.249 30.114 31.654 31.025 31.928 31.756 31.711 29.739 31.394 30.343 29.684 31.106 29.785 31.030 31.298 30.955 31.525 29.997 31.257 31.203 30.738 30.467 30.112 29.602 30.942 30.480 29.371 30.583 31.091 30.461 31.016 29.866 30.369 29.540 30.135 30.683 30.218 31.217 31.187 30.293 1993 30.649 30.201 30.428 30.294 32.687 29.647 29.404 29.665 33.033 30.574 30.946 29.238 30.618 30.530 30.807 30.168 31.405 31.685 30.656 32.236 31.154 31.400 31.541 31.612 32.012 32.099 32.425 30.522 30.228 29.223 30.650 30.655 29.068 30.641 31.271 30.706 30.962 29.960 31.401 30.284 30.554 30.100 30.468 30.677 31.051 30.462 29.422 30.795 30.554 30.993 29.862 30.838 30.245 29.873 30.909 30.641 30.659 31.386 31.500 30.496 1994 30.662 30.078 30.930 30.091 30.400 28.395 29.471 29.471 32.822 30.364 30.010 29.593 31.019 29.921 29.497 29.856 30.491 30.600 30.793 31.828 30.144 31.969 29.973 31.281 30.993 31.097 31.440 30.426 30.974 28.921 30.644 30.735 29.142 30.248 30.729 30.656 30.067 29.526 30.152 29.723 30.596 30.292 29.958 30.268 30.665 31.216 29.570 30.788 30.486 30.267 30.203 29.925 30.495 29.640 30.310 31.299 30.580 30.014 31.692 31.272 1995 30.619 29.813 30.729 29.213 30.426 29.073 29.444 29.500 31.704 29.322 28.825 29.313 30.737 30.769 30.591 29.429 30.445 30.077 30.617 31.644 30.484 30.696 30.704 31.038 31.186 30.147 30.462 30.831 31.343 28.578 30.589 30.685 29.570 30.362 31.295 29.836 31.211 30.890 29.510 29.790 30.714 29.635 29.962 29.563 29.395 30.466 28.900 31.251 30.274 31.132 29.121 29.552 31.135 29.856 30.215 29.671 29.976 30.685 30.994 30.332 1996 29.995 29.367 30.086 29.732 30.481 30.543 29.232 29.857 30.863 29.653 29.112 30.191 31.055 30.919 29.953 29.649 30.903 30.298 30.316 31.383 29.929 30.359 30.257 31.498 30.146 30.901 29.464 31.063 29.080 29.478 31.150 30.283 29.801 29.429 31.096 29.042 30.914 30.587 29.673 29.830 30.840 29.098 30.346 30.017 29.624 31.022 29.918 30.811 30.761 30.277 29.227 28.035 30.593 29.268 30.670 30.232 30.385 29.994 30.829 29.674 1997 31.101 30.273 29.394 29.143 29.309 29.860 30.352 30.423 31.493 29.718 29.635 29.870 30.581 30.184 28.784 29.614 30.129 29.834 29.473 31.138 30.347 30.481 29.758 31.727 30.188 30.421 28.230 30.512 29.038 29.801 30.147 30.200 30.116 30.487 31.518 29.021 29.751 30.447 30.569 28.669 30.211 28.403 30.942 29.650 29.197 30.426 29.855 29.475 31.151 29.635 28.746 28.790 30.183 30.115 30.837 31.578 29.150 28.984 31.219 30.600 1998 30.875 29.371 29.695 29.705 29.717 29.712 29.324 29.724 31.414 30.565 29.306 29.219 29.542 30.767 27.896 28.951 29.919 28.927 29.924 30.373 29.008 29.271 29.219 31.348 29.779 30.506 29.437 31.444 28.061 29.456 30.730 30.388 29.524 29.260 31.598 30.280 30.079 30.357 29.801 28.606 30.071 29.904 29.451 30.509 30.120 29.516 30.582 31.193 31.125 30.434 29.767 29.484 30.163 30.605 30.020 30.823 28.373 29.199 31.133 30.248 1999 30.090 29.533 29.326 29.695 29.676 30.132 28.664 29.829 30.534 30.108 28.726 30.476 28.817 28.837 29.228 30.452 29.973 29.040 31.093 31.110 29.546 29.017 29.706 31.316 28.666 29.283 28.640 31.427 29.066 30.081 31.243 30.811 30.007 30.525 30.550 29.618 30.030 29.534 29.285 29.821 30.404 30.246 29.310 29.748 30.883 31.078 29.905 30.336 29.365 29.897 29.704 28.464 30.194 30.806 29.945 30.681 28.787 29.321 31.555 29.009 2000 30.335 29.747 29.202 30.124 29.363 29.650 28.912 30.352 30.712 28.839 29.927 29.798 30.458 28.940 28.596 29.707 30.083 28.702 31.705 30.856 29.259 29.230 30.562 30.305 29.487 29.751 28.355 31.885 29.002 29.346 30.186 30.902 29.270 29.362 30.607 30.154 28.723 29.365 30.047 29.423 30.437 29.228 30.001 29.186 29.811 30.400 30.115 30.078 30.017 29.694 28.424 28.300 30.273 29.983 30.856 30.660 28.952 29.332 30.255 29.560 2001 30.510 28.664 29.938 30.103 29.583 30.068 29.570 29.316 30.563 30.003 30.449 30.314 30.886 28.219 28.047 28.506 29.797 28.892 31.144 30.315 29.707 28.856 30.825 29.795 29.799 30.905 28.192 31.871 29.315 29.601 30.025 30.174 29.594 29.444 29.681 29.342 28.699 29.642 29.864 29.041 30.509 29.028 29.879 28.966 29.367 30.355 30.245 30.674 30.141 29.151 29.473 29.210 29.766 29.355 30.633 31.644 29.144 29.101 29.604 30.010 2002 30.665 28.424 30.390 29.896 28.823 29.471 29.665 29.707 31.051 30.376 29.796 30.079 30.422 28.427 27.714 28.759 29.037 29.646 30.693 30.136 29.856 29.499 30.200 30.875 29.925 30.320 29.186 30.303 29.738 29.509 30.258 29.429 29.688 29.969 30.749 29.056 29.242 28.932 30.078 29.905 30.571 28.903 29.076 28.089 29.867 30.467 30.245 30.686 29.423 28.274 30.744 28.459 27.818 28.281 30.738 30.599 29.050 29.082 28.190 29.996 2003 30.807 28.337 29.109 29.508 29.460 29.857 29.130 29.816 31.078 29.680 29.732 29.594 29.640 29.868 26.957 28.985 29.183 30.510 31.314 30.992 30.956 29.908 29.773 29.939 30.681 31.220 29.414 31.273 28.742 29.861 30.896 29.207 29.636 28.918 29.482 28.119 28.817 28.909 30.381 29.968 30.636 28.150 29.972 29.209 29.756 29.770 30.303 29.665 30.452 29.343 30.656 29.506 27.940 28.316 30.006 30.847 29.921 28.760 29.805 29.095 2004 30.003 29.457 29.527 27.993 28.781 29.325 28.367 29.586 31.037 29.121 29.500 29.002 29.622 29.156 27.728 28.393 30.463 30.940 30.518 29.526 30.290 28.598 29.327 30.180 28.629 30.386 29.623 31.191 28.721 29.426 30.779 29.224 29.591 28.167 29.271 29.127 28.364 30.533 29.597 29.985 30.121 28.889 30.826 29.602 29.761 29.207 30.229 28.749 30.743 29.151 31.428 30.181 28.578 28.673 28.931 31.053 29.836 29.743 29.805 29.947