1950 1.9942 1.582 2.235 0.6530 Weta= 1.591 Kp= 3.69 1951 1.9958 1.589 2.236 0.6470 Weta= 1.583 Kp= 4.05 1952 1.9978 1.656 2.236 0.5800 Weta= 1.522 Kp= 3.97 1953 2.0745 1.696 2.316 0.6200 Weta= 1.440 Kp= 3.45 1954 2.0871 1.754 2.310 0.5560 Weta= 1.396 Kp= 2.87 1955 2.1027 1.754 2.311 0.5570 Weta= 1.395 Kp= 2.90 1956 2.0044 1.643 2.240 0.5970 Weta= 1.531 Kp= 3.70 1957 1.9761 1.556 2.242 0.6860 Weta= 1.611 Kp= 3.88 1958 2.0098 1.634 2.243 0.6090 Weta= 1.537 Kp= 3.80 1959 2.0068 1.612 2.244 0.6320 Weta= 1.557 Kp= 3.98 1960 2.0112 1.649 2.246 0.5970 Weta= 1.522 Kp= 4.15 1961 2.0820 1.764 2.320 0.5560 Weta= 1.382 Kp= 3.31 1962 2.0995 1.811 2.322 0.5110 Weta= 1.344 Kp= 3.05 1963 2.0932 1.807 2.324 0.5170 Weta= 1.346 Kp= 3.09 1964 2.1177 1.735 2.328 0.5930 Weta= 1.401 Kp= 2.70 1965 2.1520 1.862 2.372 0.5100 Weta= 1.279 Kp= 2.28 1966 2.1133 1.685 2.334 0.6490 Weta= 1.439 Kp= 2.75 1967 2.1164 1.762 2.331 0.5690 Weta= 1.377 Kp= 3.00 1968 2.1271 1.851 2.333 0.4820 Weta= 1.308 Kp= 3.21 1969 2.1096 1.650 2.335 0.6850 Weta= 1.469 Kp= 2.92 1970 2.1214 1.826 2.337 0.5110 Weta= 1.325 Kp= 3.00 1971 2.1161 1.851 2.340 0.4890 Weta= 1.304 Kp= 2.90 1972 2.1178 1.742 2.341 0.5990 Weta= 1.388 Kp= 3.09 1973 2.0341 1.772 2.268 0.4960 Weta= 1.405 Kp= 3.60 1974 2.0368 1.682 2.270 0.5880 Weta= 1.479 Kp= 3.83 1975 2.1331 1.843 2.346 0.5030 Weta= 1.307 Kp= 3.26 1976 2.1281 1.846 2.346 0.5000 Weta= 1.305 Kp= 3.14 1977 2.1209 1.764 2.349 0.5850 Weta= 1.366 Kp= 2.99 1978 2.0586 1.634 2.272 0.6380 Weta= 1.520 Kp= 3.59 1979 2.1185 1.833 2.345 0.5120 Weta= 1.315 Kp= 3.32 1980 2.1280 1.751 2.344 0.5930 Weta= 1.379 Kp= 2.88 1981 2.0281 1.712 2.268 0.5560 Weta= 1.454 Kp= 3.52 1982 2.0479 1.673 2.266 0.5930 Weta= 1.489 Kp= 4.06 1983 2.0367 1.670 2.264 0.5940 Weta= 1.493 Kp= 3.74 1984 2.0336 1.589 2.262 0.6730 Weta= 1.568 Kp= 3.76 1985 2.1112 1.707 2.341 0.6340 Weta= 1.417 Kp= 3.24 1986 2.1149 1.711 2.331 0.6200 Weta= 1.419 Kp= 3.09 1987 2.1034 1.823 2.336 0.5130 Weta= 1.327 Kp= 2.85 1988 2.1041 1.700 2.327 0.6270 Weta= 1.431 Kp= 3.11 1989 2.0154 1.732 2.252 0.5200 Weta= 1.447 Kp= 3.82 1990 2.0217 1.701 2.250 0.5490 Weta= 1.474 Kp= 3.52 1991 2.0051 1.658 2.249 0.5910 Weta= 1.512 Kp= 4.13 1992 2.0233 1.682 2.248 0.5660 Weta= 1.492 Kp= 3.55 1993 2.1047 1.868 2.327 0.4590 Weta= 1.299 Kp= 3.39 1994 2.0123 1.657 2.246 0.5890 Weta= 1.515 Kp= 3.71 1995 2.0973 1.734 2.320 0.5860 Weta= 1.406 Kp= 3.10 1996 2.0729 1.774 2.315 0.5410 Weta= 1.377 Kp= 2.59 1997 2.1427 1.776 2.365 0.5890 Weta= 1.348 Kp= 2.42 1998 2.0931 1.702 2.312 0.6100 Weta= 1.437 Kp= 3.00 1999 2.0995 1.800 2.310 0.5100 Weta= 1.359 Kp= 3.08 2000 2.0946 1.797 2.315 0.5180 Weta= 1.359 Kp= 3.39 2001 2.0953 1.686 2.306 0.6200 Weta= 1.454 Kp= 3.13 2002 2.0916 1.748 2.305 0.5570 Weta= 1.403 Kp= 3.16 2003 1.9985 1.520 2.232 0.7120 Weta= 1.654 Kp= 4.00 2004 2.0748 1.771 2.302 0.5310 Weta= 1.387 Kp= 3.19 2005 2.1032 1.814 2.308 0.4940 Weta= 1.350 Kp= 3.20 2006 2.1388 1.751 2.345 0.5940 Weta= 1.379 Kp= 2.42 2007 2.1271 1.850 2.350 0.5000 Weta= 1.300 Kp= 2.21 2008 2.1291 1.835 2.346 0.5110 Weta= 1.313 Kp= 2.09 2009 2.1704 1.790 2.399 0.6090 Weta= 1.319 Kp= 1.14 2010 2.1377 1.794 2.350 0.5560 Weta= 1.342 Kp= 1.84 2011 2.1264 1.805 2.346 0.5410 Weta= 1.336 Kp= 2.22 2012 2.0831 1.601 2.302 0.7010 Weta= 1.533 Kp= 2.53 2013 2.1329 1.891 2.353 0.4620 Weta= 1.268 Kp= 2.24 2014 2.1358 1.867 2.348 0.4810 Weta= 1.288 Kp= 2.28 2015 2.0957 1.760 2.304 0.5440 Weta= 1.394 Kp= 2.93 2016 2.0738 1.722 2.304 0.5820 Weta= 1.425 Kp= 3.17 2017 2.0953 1.829 2.305 0.4760 Weta= 1.340 Kp= 3.01 2018 2.0720 1.802 2.305 0.5030 Weta= 1.361 Kp= 2.88 2019 2.0986 1.815 2.305 0.4900 Weta= 1.351 Kp= 2.54 2020 2.1584 1.782 2.351 0.5690 Weta= 1.351 Kp= 1.99