1971 0.423 0.683 0.788 0.686 0.789 0.670 0.614 0.637 0.554 0.742 0.723 0.596 0.702 0.519 0.633 0.593 0.576 0.550 0.426 0.719 0.647 0.646 1972 0.457 0.647 0.776 0.647 0.762 0.611 0.630 0.599 0.594 0.664 0.792 0.577 0.744 0.565 0.669 0.614 0.522 0.529 0.437 0.670 0.644 0.619 1973 0.485 0.656 0.699 0.654 0.747 0.608 0.644 0.606 0.594 0.656 0.743 0.573 0.769 0.551 0.597 0.584 0.544 0.544 0.507 0.686 0.622 0.633 1974 0.504 0.667 0.731 0.685 0.772 0.627 0.683 0.651 0.600 0.683 0.745 0.597 0.927 0.536 0.627 0.631 0.568 0.588 0.483 0.713 0.613 0.633 1975 0.526 0.721 0.754 0.732 0.820 0.657 0.704 0.660 0.619 0.746 0.755 0.657 1.048 0.537 0.665 0.680 0.635 0.691 0.552 0.783 0.631 0.668 1976 0.545 0.732 0.759 0.728 0.889 0.667 0.733 0.670 0.643 0.753 0.765 0.706 0.939 0.575 0.828 0.744 0.695 0.657 0.679 0.831 0.656 0.735 1977 0.583 0.700 0.799 0.737 0.862 0.705 0.760 0.697 0.675 0.771 0.742 0.704 0.960 0.615 0.794 0.744 0.723 0.652 0.573 0.819 0.695 0.738 1978 0.627 0.718 0.748 0.742 0.843 0.740 0.784 0.728 0.697 0.798 0.800 0.723 0.885 0.641 0.735 0.746 0.721 0.675 0.633 0.781 0.742 0.763 1979 0.682 0.737 0.783 0.768 0.848 0.739 0.799 0.785 0.732 0.812 0.815 0.766 0.933 0.640 0.714 0.761 0.752 0.701 0.684 0.845 0.770 0.825 1980 0.711 0.801 0.807 0.817 0.877 0.755 0.839 0.829 0.778 0.873 0.826 0.805 0.966 0.655 0.821 0.793 0.767 0.749 0.724 0.826 0.798 0.826 1981 0.765 0.867 0.894 0.897 0.927 0.881 0.864 0.859 0.832 0.973 0.928 0.927 1.006 0.685 0.878 0.844 0.845 0.833 0.739 0.949 0.841 0.858 1982 0.832 0.892 0.945 0.954 0.976 0.888 0.888 0.930 0.922 0.974 1.126 1.096 1.049 0.774 0.945 0.918 1.007 0.925 0.810 1.045 0.913 0.917 1983 0.884 0.940 0.955 0.958 1.003 0.916 0.920 0.938 0.937 1.002 1.038 1.010 1.036 0.827 0.915 0.926 0.965 0.959 0.787 1.046 0.960 0.945 1984 0.929 0.976 0.943 0.965 0.964 0.936 0.963 0.962 0.947 0.984 0.971 1.018 1.007 0.910 0.926 0.958 0.969 0.971 0.960 0.990 0.990 1.044 1985 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1986 1.115 1.045 1.026 1.020 1.029 1.036 1.035 1.038 1.070 1.012 1.109 1.072 1.062 1.055 0.990 1.000 1.092 0.941 0.846 0.996 1.074 1.000 1987 1.247 1.065 1.018 1.033 0.998 0.995 1.058 1.071 1.080 1.018 1.125 1.027 1.052 1.056 0.912 0.981 1.200 0.958 0.667 0.859 1.063 1.022 1988 1.326 1.053 1.042 1.050 1.005 1.033 1.097 1.118 1.139 1.048 1.160 1.123 1.046 1.146 0.870 0.980 1.142 0.942 0.586 0.795 1.061 1.069 1989 1.376 1.094 1.130 1.145 1.063 1.097 1.123 1.170 1.199 1.038 1.258 1.251 1.163 1.154 0.895 1.044 1.238 1.004 0.564 0.840 1.156 1.131 1990 1.444 1.146 1.268 1.187 1.094 1.220 1.175 1.270 1.268 1.108 1.384 1.292 1.178 1.195 0.991 1.140 1.299 1.125 0.585 0.874 1.220 1.230