1950 1.3520 1.159 1.549 0.3900 Weta= 2.716 Kp= 3.69 1951 1.3550 1.031 1.542 0.5110 Weta= 2.965 Kp= 4.05 1952 1.3540 0.967 1.542 0.5750 Weta= 3.104 Kp= 3.97 1953 1.4540 1.212 1.635 0.4230 Weta= 2.531 Kp= 3.45 1954 1.4600 1.200 1.633 0.4330 Weta= 2.553 Kp= 2.87 1955 1.4510 1.181 1.647 0.4660 Weta= 2.568 Kp= 2.90 1956 1.3570 1.099 1.547 0.4480 Weta= 2.826 Kp= 3.70 1957 1.3540 1.086 1.557 0.4710 Weta= 2.838 Kp= 3.88 1958 1.3550 1.061 1.560 0.4990 Weta= 2.883 Kp= 3.80 1959 1.3580 1.100 1.554 0.4540 Weta= 2.815 Kp= 3.98 1960 1.3660 1.172 1.565 0.3930 Weta= 2.675 Kp= 4.15 1961 1.4810 1.235 1.667 0.4320 Weta= 2.462 Kp= 3.31 1962 1.4490 1.209 1.676 0.4670 Weta= 2.493 Kp= 3.05 1963 1.4740 1.280 1.668 0.3880 Weta= 2.394 Kp= 3.09 1964 1.4610 1.236 1.670 0.4340 Weta= 2.457 Kp= 2.70 1965 1.5240 1.315 1.729 0.4140 Weta= 2.284 Kp= 2.28 1966 1.4650 1.272 1.682 0.4100 Weta= 2.391 Kp= 2.75 1967 1.4750 1.249 1.696 0.4470 Weta= 2.411 Kp= 3.00 1968 1.4830 1.257 1.690 0.4330 Weta= 2.405 Kp= 3.21 1969 1.4980 1.266 1.696 0.4300 Weta= 2.386 Kp= 2.92 1970 1.5000 1.245 1.701 0.4560 Weta= 2.412 Kp= 3.00 1971 1.4980 1.271 1.708 0.4370 Weta= 2.367 Kp= 2.90 1972 1.5110 1.230 1.714 0.4840 Weta= 2.422 Kp= 3.09 1973 1.4240 1.165 1.609 0.4440 Weta= 2.636 Kp= 3.60 1974 1.4110 1.149 1.631 0.4820 Weta= 2.639 Kp= 3.83 1975 1.5110 1.245 1.730 0.4850 Weta= 2.383 Kp= 3.26 1976 1.5260 1.302 1.733 0.4310 Weta= 2.298 Kp= 3.14 1977 1.5240 1.269 1.736 0.4670 Weta= 2.342 Kp= 2.99 1978 1.4360 1.193 1.644 0.4510 Weta= 2.552 Kp= 3.59 1979 1.5400 1.286 1.742 0.4560 Weta= 2.312 Kp= 3.32 1980 1.5350 1.198 1.745 0.5470 Weta= 2.441 Kp= 2.88 1981 1.4460 1.168 1.663 0.4950 Weta= 2.573 Kp= 3.52 1982 1.4460 1.198 1.681 0.4830 Weta= 2.505 Kp= 4.06 1983 1.4530 1.220 1.686 0.4660 Weta= 2.465 Kp= 3.74 1984 1.4470 1.172 1.681 0.5090 Weta= 2.547 Kp= 3.76 1985 1.5440 1.256 1.761 0.5050 Weta= 2.337 Kp= 3.24 1986 1.5510 1.329 1.770 0.4410 Weta= 2.227 Kp= 3.09 1987 1.5620 1.211 1.767 0.5560 Weta= 2.399 Kp= 2.85 1988 1.5570 1.300 1.769 0.4690 Weta= 2.267 Kp= 3.11 1989 1.4780 1.271 1.704 0.4330 Weta= 2.371 Kp= 3.82 1990 1.4980 1.267 1.716 0.4490 Weta= 2.365 Kp= 3.52 1991 1.5030 1.173 1.712 0.5390 Weta= 2.514 Kp= 4.13 1992 1.5080 1.325 1.716 0.3910 Weta= 2.283 Kp= 3.55 1993 1.5730 1.305 1.784 0.4790 Weta= 2.246 Kp= 3.39 1994 1.5110 1.138 1.723 0.5850 Weta= 2.561 Kp= 3.71 1995 1.5850 1.270 1.798 0.5280 Weta= 2.282 Kp= 3.10 1996 1.5840 1.342 1.797 0.4550 Weta= 2.185 Kp= 2.59 1997 1.6620 1.392 1.842 0.4500 Weta= 2.082 Kp= 2.42 1998 1.6160 1.361 1.809 0.4480 Weta= 2.149 Kp= 3.00 1999 1.6130 1.291 1.818 0.5270 Weta= 2.235 Kp= 3.08 2000 1.6350 1.393 1.829 0.4360 Weta= 2.092 Kp= 3.39 2001 1.6420 1.407 1.829 0.4220 Weta= 2.075 Kp= 3.13 2002 1.6500 1.367 1.845 0.4780 Weta= 2.110 Kp= 3.16 2003 1.5580 1.313 1.774 0.4610 Weta= 2.244 Kp= 4.00 2004 1.6570 1.390 1.864 0.4740 Weta= 2.065 Kp= 3.19 2005 1.6730 1.390 1.866 0.4760 Weta= 2.064 Kp= 3.20 2006 1.7190 1.414 1.942 0.5280 Weta= 1.973 Kp= 2.42 2007 1.7350 1.467 1.961 0.4940 Weta= 1.897 Kp= 2.21 2008 1.7280 1.461 1.979 0.5180 Weta= 1.890 Kp= 2.09 2009 1.8010 1.614 2.057 0.4430 Weta= 1.676 Kp= 1.14 2010 1.7610 1.514 2.015 0.5010 Weta= 1.806 Kp= 1.84 2011 1.7730 1.514 2.032 0.5180 Weta= 1.794 Kp= 2.22 2012 1.7350 1.481 1.988 0.5070 Weta= 1.861 Kp= 2.53 2013 1.7960 1.553 2.061 0.5080 Weta= 1.733 Kp= 2.24 2014 1.7960 1.482 2.074 0.5920 Weta= 1.798 Kp= 2.28 2015 1.7820 1.461 2.038 0.5770 Weta= 1.846 Kp= 2.93 2016 1.7990 1.414 2.054 0.6400 Weta= 1.888 Kp= 3.17 2017 1.8020 1.538 2.063 0.5250 Weta= 1.747 Kp= 3.01 2018 1.8190 1.524 2.074 0.5500 Weta= 1.753 Kp= 2.88 2019 1.8180 1.525 2.086 0.5610 Weta= 1.744 Kp= 2.54 2020 1.8520 1.585 2.134 0.5490 Weta= 1.652 Kp= 1.99