1950 2.5282 2.117 2.778 0.6610 Weta= 0.776 Kp= 3.69 1951 2.5152 2.052 2.773 0.7210 Weta= 0.824 Kp= 4.05 1952 2.5054 2.108 2.768 0.6600 Weta= 0.787 Kp= 3.97 1953 2.5815 2.205 2.852 0.6470 Weta= 0.682 Kp= 3.45 1954 2.5905 2.130 2.836 0.7060 Weta= 0.739 Kp= 2.87 1955 2.5690 2.062 2.833 0.7710 Weta= 0.788 Kp= 2.90 1956 2.5034 2.150 2.756 0.6060 Weta= 0.764 Kp= 3.70 1957 2.5158 2.130 2.756 0.6260 Weta= 0.777 Kp= 3.88 1958 2.4969 2.085 2.756 0.6710 Weta= 0.809 Kp= 3.80 1959 2.4997 2.020 2.756 0.7360 Weta= 0.857 Kp= 3.98 1960 2.4918 2.044 2.747 0.7030 Weta= 0.843 Kp= 4.15 1961 2.5923 2.273 2.838 0.5650 Weta= 0.646 Kp= 3.31 1962 2.5719 2.087 2.823 0.7360 Weta= 0.775 Kp= 3.05 1963 2.5674 2.126 2.821 0.6950 Weta= 0.749 Kp= 3.09 1964 2.5663 2.043 2.824 0.7810 Weta= 0.806 Kp= 2.70 1965 2.6089 2.231 2.852 0.6210 Weta= 0.666 Kp= 2.28 1966 2.5665 2.201 2.810 0.6090 Weta= 0.704 Kp= 2.75 1967 2.5609 2.306 2.817 0.5110 Weta= 0.636 Kp= 3.00 1968 2.5532 2.105 2.815 0.7100 Weta= 0.766 Kp= 3.21 1969 2.5499 2.094 2.813 0.7190 Weta= 0.775 Kp= 2.92 1970 2.5393 2.159 2.812 0.6530 Weta= 0.731 Kp= 3.00 1971 2.5493 2.202 2.812 0.6100 Weta= 0.703 Kp= 2.90 1972 2.5394 2.011 2.812 0.8010 Weta= 0.836 Kp= 3.09 1973 2.4644 2.100 2.721 0.6210 Weta= 0.816 Kp= 3.60 1974 2.4550 2.077 2.721 0.6440 Weta= 0.832 Kp= 3.83 1975 2.5525 2.167 2.796 0.6290 Weta= 0.733 Kp= 3.26 1976 2.5357 2.132 2.792 0.6600 Weta= 0.759 Kp= 3.14 1977 2.5361 2.044 2.787 0.7430 Weta= 0.823 Kp= 2.99 1978 2.4527 2.202 2.703 0.5010 Weta= 0.755 Kp= 3.59 1979 2.5200 2.164 2.779 0.6150 Weta= 0.743 Kp= 3.32 1980 2.5435 2.114 2.774 0.6600 Weta= 0.780 Kp= 2.88 1981 2.4260 2.064 2.694 0.6300 Weta= 0.855 Kp= 3.52 1982 2.4364 2.088 2.693 0.6050 Weta= 0.838 Kp= 4.06 1983 2.4351 2.138 2.692 0.5540 Weta= 0.804 Kp= 3.74 1984 2.4273 2.055 2.691 0.6360 Weta= 0.863 Kp= 3.76 1985 2.5237 2.261 2.768 0.5070 Weta= 0.686 Kp= 3.24 1986 2.5271 2.138 2.770 0.6320 Weta= 0.765 Kp= 3.09 1987 2.5065 2.158 2.770 0.6120 Weta= 0.752 Kp= 2.85 1988 2.5041 2.160 2.765 0.6050 Weta= 0.753 Kp= 3.11 1989 2.4288 2.044 2.673 0.6290 Weta= 0.881 Kp= 3.82 1990 2.4240 2.098 2.680 0.5820 Weta= 0.838 Kp= 3.52 1991 2.4038 2.055 2.689 0.6340 Weta= 0.864 Kp= 4.13 1992 2.4244 2.076 2.674 0.5980 Weta= 0.857 Kp= 3.55 1993 2.4921 2.108 2.764 0.6560 Weta= 0.789 Kp= 3.39 1994 2.4089 2.075 2.677 0.6020 Weta= 0.856 Kp= 3.71 1995 2.4756 2.045 2.766 0.7210 Weta= 0.833 Kp= 3.10 1996 2.5023 2.097 2.745 0.6480 Weta= 0.806 Kp= 2.59 1997 2.5397 2.156 2.814 0.6580 Weta= 0.732 Kp= 2.42 1998 2.5076 2.040 2.754 0.7140 Weta= 0.843 Kp= 3.00 1999 2.5100 2.012 2.783 0.7710 Weta= 0.849 Kp= 3.08 2000 2.4978 2.095 2.740 0.6450 Weta= 0.810 Kp= 3.39 2001 2.5304 2.185 2.780 0.5950 Weta= 0.729 Kp= 3.13 2002 2.5225 2.089 2.772 0.6830 Weta= 0.798 Kp= 3.16 2003 2.4404 2.053 2.720 0.6670 Weta= 0.850 Kp= 4.00 2004 2.5220 2.100 2.744 0.6440 Weta= 0.804 Kp= 3.19 2005 2.5081 2.070 2.784 0.7140 Weta= 0.806 Kp= 3.20 2006 2.5517 2.159 2.764 0.6050 Weta= 0.754 Kp= 2.42 2007 2.5585 2.102 2.745 0.6430 Weta= 0.802 Kp= 2.21 2008 2.5482 2.204 2.746 0.5420 Weta= 0.733 Kp= 2.09 2009 2.5851 2.294 2.835 0.5410 Weta= 0.635 Kp= 1.14 2010 2.5298 2.137 2.791 0.6540 Weta= 0.756 Kp= 1.84 2011 2.5738 2.290 2.785 0.4950 Weta= 0.660 Kp= 2.22 2012 2.5191 2.253 2.828 0.5750 Weta= 0.663 Kp= 2.53 2013 2.5655 2.105 2.807 0.7020 Weta= 0.770 Kp= 2.24 2014 2.5599 2.260 2.851 0.5910 Weta= 0.648 Kp= 2.28 2015 2.5181 2.263 2.829 0.5660 Weta= 0.656 Kp= 2.93 2016 2.5230 2.141 2.827 0.6860 Weta= 0.736 Kp= 3.17 2017 2.5134 2.133 2.845 0.7120 Weta= 0.733 Kp= 3.01 2018 2.5201 2.159 2.749 0.5900 Weta= 0.761 Kp= 2.88 2019 2.5212 2.112 2.802 0.6900 Weta= 0.768 Kp= 2.54 2020 2.5402 2.179 2.802 0.6230 Weta= 0.722 Kp= 1.99