1950 2.5345 2.032 2.830 0.7980 Weta= 0.960 Kp= 3.69 1951 2.5515 2.041 2.825 0.7840 Weta= 0.957 Kp= 4.05 1952 2.5438 2.124 2.837 0.7130 Weta= 0.904 Kp= 3.97 1953 2.6155 2.130 2.919 0.7890 Weta= 0.870 Kp= 3.45 1954 2.6290 2.192 2.915 0.7230 Weta= 0.838 Kp= 2.87 1955 2.6337 2.244 2.919 0.6750 Weta= 0.809 Kp= 2.90 1956 2.5603 2.048 2.845 0.7970 Weta= 0.945 Kp= 3.70 1957 2.5622 2.064 2.850 0.7860 Weta= 0.933 Kp= 3.88 1958 2.5765 2.023 2.855 0.8320 Weta= 0.956 Kp= 3.80 1959 2.5779 2.100 2.860 0.7600 Weta= 0.909 Kp= 3.98 1960 2.6087 2.155 2.865 0.7100 Weta= 0.876 Kp= 4.15 1961 2.6801 2.179 2.953 0.7740 Weta= 0.831 Kp= 3.31 1962 2.6635 2.108 2.950 0.8420 Weta= 0.871 Kp= 3.05 1963 2.6852 2.180 2.962 0.7820 Weta= 0.827 Kp= 3.09 1964 2.6752 2.186 2.959 0.7730 Weta= 0.825 Kp= 2.70 1965 2.7195 2.311 3.004 0.6930 Weta= 0.746 Kp= 2.28 1966 2.6997 2.278 2.968 0.6900 Weta= 0.775 Kp= 2.75 1967 2.7173 2.213 2.972 0.7590 Weta= 0.806 Kp= 3.00 1968 2.6868 2.239 2.977 0.7380 Weta= 0.791 Kp= 3.21 1969 2.6964 2.302 2.988 0.6860 Weta= 0.756 Kp= 2.92 1970 2.7069 2.210 2.986 0.7760 Weta= 0.803 Kp= 3.00 1971 2.7148 2.241 2.991 0.7500 Weta= 0.785 Kp= 2.90 1972 2.7233 2.346 2.996 0.6500 Weta= 0.732 Kp= 3.09 1973 2.6567 2.259 2.930 0.6710 Weta= 0.798 Kp= 3.60 1974 2.6513 2.156 2.943 0.7870 Weta= 0.847 Kp= 3.83 1975 2.7375 2.349 3.013 0.6640 Weta= 0.725 Kp= 3.26 1976 2.7636 2.333 3.014 0.6810 Weta= 0.732 Kp= 3.14 1977 2.7508 2.218 3.017 0.7990 Weta= 0.788 Kp= 2.99 1978 2.6710 2.225 2.952 0.7270 Weta= 0.807 Kp= 3.59 1979 2.7609 2.370 3.032 0.6620 Weta= 0.709 Kp= 3.32 1980 2.7703 2.369 3.034 0.6650 Weta= 0.709 Kp= 2.88 1981 2.7027 2.266 2.960 0.6940 Weta= 0.784 Kp= 3.52 1982 2.6864 2.119 2.963 0.8440 Weta= 0.860 Kp= 4.06 1983 2.6717 2.240 2.963 0.7230 Weta= 0.796 Kp= 3.74 1984 2.6937 2.285 2.965 0.6800 Weta= 0.773 Kp= 3.76 1985 2.7774 2.189 3.034 0.8450 Weta= 0.797 Kp= 3.24 1986 2.7804 2.369 3.041 0.6720 Weta= 0.706 Kp= 3.09 1987 2.7749 2.229 3.035 0.8060 Weta= 0.776 Kp= 2.85 1988 2.7833 2.339 3.042 0.7030 Weta= 0.720 Kp= 3.11 1989 2.7016 2.279 2.967 0.6880 Weta= 0.775 Kp= 3.82 1990 2.6986 2.293 2.968 0.6750 Weta= 0.768 Kp= 3.52 1991 2.7043 2.165 2.970 0.8050 Weta= 0.832 Kp= 4.13 1992 2.6979 2.192 2.971 0.7790 Weta= 0.818 Kp= 3.55 1993 2.8026 2.345 3.040 0.6950 Weta= 0.718 Kp= 3.39 1994 2.7152 2.171 2.974 0.8030 Weta= 0.828 Kp= 3.71 1995 2.7947 2.287 3.050 0.7630 Weta= 0.742 Kp= 3.10 1996 2.8105 2.390 3.044 0.6540 Weta= 0.696 Kp= 2.59 1997 2.8293 2.367 3.088 0.7210 Weta= 0.692 Kp= 2.42 1998 2.7952 2.382 3.052 0.6700 Weta= 0.697 Kp= 3.00 1999 2.7859 2.376 3.046 0.6700 Weta= 0.701 Kp= 3.08 2000 2.7921 2.352 3.051 0.6990 Weta= 0.711 Kp= 3.39 2001 2.7900 2.354 3.052 0.6980 Weta= 0.710 Kp= 3.13 2002 2.8147 2.356 3.056 0.7000 Weta= 0.707 Kp= 3.16 2003 2.7186 2.339 2.983 0.6440 Weta= 0.740 Kp= 4.00 2004 2.8145 2.289 3.052 0.7630 Weta= 0.741 Kp= 3.19 2005 2.8140 2.423 3.056 0.6330 Weta= 0.677 Kp= 3.20 2006 2.8514 2.324 3.096 0.7720 Weta= 0.709 Kp= 2.42 2007 2.8575 2.307 3.103 0.7960 Weta= 0.715 Kp= 2.21 2008 2.8723 2.427 3.102 0.6750 Weta= 0.660 Kp= 2.09 2009 2.9128 2.442 3.152 0.7100 Weta= 0.637 Kp= 1.14 2010 2.8592 2.316 3.110 0.7940 Weta= 0.708 Kp= 1.84 2011 2.8650 2.406 3.118 0.7120 Weta= 0.664 Kp= 2.22 2012 2.8345 2.310 3.087 0.7770 Weta= 0.719 Kp= 2.53 2013 2.8828 2.428 3.121 0.6930 Weta= 0.653 Kp= 2.24 2014 2.8856 2.227 3.124 0.8970 Weta= 0.747 Kp= 2.28 2015 2.8381 2.373 3.098 0.7250 Weta= 0.686 Kp= 2.93 2016 2.8563 2.327 3.095 0.7680 Weta= 0.708 Kp= 3.17 2017 2.8419 2.417 3.100 0.6830 Weta= 0.665 Kp= 3.01 2018 2.8566 2.447 3.111 0.6640 Weta= 0.648 Kp= 2.88 2019 2.8730 2.418 3.110 0.6920 Weta= 0.661 Kp= 2.54 2020 2.9097 2.448 3.153 0.7050 Weta= 0.635 Kp= 1.99