1950 2.675 2.133 2.884 0.751 3.69 1951 2.667 2.069 2.878 0.809 4.05 1952 2.6674 2.153 2.885 0.7320 Weta= 0.794 Kp= 3.97 1953 2.7422 2.122 2.943 0.8210 Weta= 0.790 Kp= 3.45 1954 2.7235 2.209 2.939 0.7300 Weta= 0.739 Kp= 2.87 1955 2.7149 2.152 2.936 0.7840 Weta= 0.774 Kp= 2.90 1956 2.6465 2.158 2.862 0.7040 Weta= 0.801 Kp= 3.70 1957 2.6504 2.152 2.862 0.7100 Weta= 0.805 Kp= 3.88 1958 2.6404 2.141 2.873 0.7320 Weta= 0.807 Kp= 3.80 1959 2.6539 2.314 2.873 0.5590 Weta= 0.707 Kp= 3.98 1960 2.6353 2.189 2.860 0.6710 Weta= 0.783 Kp= 4.15 1961 2.7267 2.268 2.928 0.6600 Weta= 0.710 Kp= 3.31 1962 2.7061 2.173 2.924 0.7510 Weta= 0.766 Kp= 3.05 1963 2.7195 2.149 2.924 0.7750 Weta= 0.781 Kp= 3.09 1964 2.6851 2.154 2.915 0.7610 Weta= 0.782 Kp= 2.70 1965 2.7196 2.283 2.944 0.6610 Weta= 0.695 Kp= 2.28 1966 2.6844 2.326 2.910 0.5840 Weta= 0.685 Kp= 2.75 1967 2.6984 2.169 2.908 0.7390 Weta= 0.775 Kp= 3.00 1968 2.6902 2.177 2.906 0.7290 Weta= 0.771 Kp= 3.21 1969 2.6892 2.172 2.904 0.7320 Weta= 0.775 Kp= 2.92 1970 2.6826 2.089 2.903 0.8140 Weta= 0.827 Kp= 3.00 1971 2.6896 2.326 2.902 0.5760 Weta= 0.689 Kp= 2.90 1972 2.6891 2.175 2.902 0.7270 Weta= 0.774 Kp= 3.09 1973 2.6155 2.208 2.826 0.6180 Weta= 0.786 Kp= 3.60 1974 2.6076 2.128 2.833 0.7050 Weta= 0.832 Kp= 3.83 1975 2.6670 2.212 2.898 0.6860 Weta= 0.754 Kp= 3.26 1976 2.6710 2.309 2.893 0.5840 Weta= 0.701 Kp= 3.14 1977 2.6640 2.223 2.888 0.6650 Weta= 0.752 Kp= 2.99 1978 2.5892 2.257 2.807 0.5500 Weta= 0.766 Kp= 3.59 1979 2.6427 2.073 2.878 0.8050 Weta= 0.848 Kp= 3.32 1980 2.6533 2.186 2.875 0.6890 Weta= 0.779 Kp= 2.88 1981 2.5717 2.181 2.797 0.6160 Weta= 0.815 Kp= 3.52 1982 2.5909 2.144 2.796 0.6520 Weta= 0.838 Kp= 4.06 1983 2.5723 2.248 2.794 0.5460 Weta= 0.777 Kp= 3.74 1984 2.5728 2.175 2.793 0.6180 Weta= 0.820 Kp= 3.76 1985 2.6483 2.313 2.797 0.4840 Weta= 0.739 Kp= 3.24 1986 2.6487 2.211 2.788 0.5770 Weta= 0.801 Kp= 3.09 1987 2.6355 2.171 2.809 0.6380 Weta= 0.816 Kp= 2.85 1988 2.6343 2.285 2.767 0.4820 Weta= 0.768 Kp= 3.11 1989 2.5560 2.114 2.786 0.6720 Weta= 0.861 Kp= 3.82 1990 2.5534 2.234 2.785 0.5510 Weta= 0.789 Kp= 3.52 1991 2.5597 2.126 2.798 0.6720 Weta= 0.848 Kp= 4.13 1992 2.5663 2.048 2.785 0.7370 Weta= 0.905 Kp= 3.55 1993 2.6355 2.212 2.814 0.6020 Weta= 0.789 Kp= 3.39 1994 2.5398 2.137 2.784 0.6470 Weta= 0.848 Kp= 3.71 1995 2.6198 2.072 2.848 0.7760 Weta= 0.861 Kp= 3.10 1996 2.6244 2.208 2.851 0.6430 Weta= 0.776 Kp= 2.59 1997 2.6497 2.133 2.828 0.6950 Weta= 0.831 Kp= 2.42 1998 2.6096 2.111 2.847 0.7360 Weta= 0.837 Kp= 3.00 1999 2.6244 2.220 2.805 0.5850 Weta= 0.788 Kp= 3.08 2000 2.6191 2.232 2.852 0.6200 Weta= 0.761 Kp= 3.39 2001 2.6242 2.290 2.777 0.4870 Weta= 0.760 Kp= 3.13 2002 2.6115 2.170 2.815 0.6450 Weta= 0.814 Kp= 3.16 2003 2.5559 2.077 2.804 0.7270 Weta= 0.877 Kp= 4.00 2004 2.6222 2.223 2.864 0.6410 Weta= 0.762 Kp= 3.19 2005 2.6240 2.104 2.803 0.6990 Weta= 0.860 Kp= 3.20 2006 2.6425 2.188 2.827 0.6390 Weta= 0.798 Kp= 2.42 2007 2.6302 2.246 2.821 0.5750 Weta= 0.766 Kp= 2.21 2008 2.6408 2.164 2.829 0.6650 Weta= 0.811 Kp= 2.09 2009 2.6582 2.320 2.869 0.5490 Weta= 0.705 Kp= 1.14 2010 2.6305 2.163 2.858 0.6950 Weta= 0.800 Kp= 1.84 2011 2.6370 2.298 2.885 0.5870 Weta= 0.711 Kp= 2.22 2012 2.6054 2.199 2.887 0.6880 Weta= 0.766 Kp= 2.53 2013 2.6430 2.335 2.919 0.5840 Weta= 0.677 Kp= 2.24 2014 2.6205 2.198 2.869 0.6710 Weta= 0.774 Kp= 2.28 2015 2.6033 2.284 2.816 0.5320 Weta= 0.747 Kp= 2.93 2016 2.6213 2.293 2.866 0.5730 Weta= 0.721 Kp= 3.17 2017 2.6196 2.190 2.837 0.6470 Weta= 0.792 Kp= 3.01 2018 2.6095 2.226 2.859 0.6330 Weta= 0.762 Kp= 2.88 2019 2.6023 2.233 2.870 0.6370 Weta= 0.753 Kp= 2.54 2020 2.6495 2.317 2.877 0.5600 Weta= 0.704 Kp= 1.99