1950 1.6672 1.380 2.013 0.6330 Weta= 1.974 Kp= 3.69 1951 1.6725 1.319 2.010 0.6910 Weta= 2.055 Kp= 4.05 1952 1.6724 1.383 2.002 0.6190 Weta= 1.979 Kp= 3.97 1953 1.7340 1.386 2.045 0.6590 Weta= 1.942 Kp= 3.45 1954 1.7349 1.494 2.042 0.5480 Weta= 1.818 Kp= 2.87 1955 1.7220 1.397 2.034 0.6370 Weta= 1.937 Kp= 2.90 1956 1.6469 1.330 1.996 0.6660 Weta= 2.052 Kp= 3.70 1957 1.6532 1.278 1.988 0.7100 Weta= 2.129 Kp= 3.88 1958 1.6501 1.339 1.987 0.6480 Weta= 2.047 Kp= 3.80 1959 1.6559 1.351 1.988 0.6370 Weta= 2.030 Kp= 3.98 1960 1.6553 1.317 1.980 0.6630 Weta= 2.082 Kp= 4.15 1961 1.7181 1.452 2.017 0.5650 Weta= 1.884 Kp= 3.31 1962 1.7038 1.420 2.013 0.5930 Weta= 1.925 Kp= 3.05 1963 1.7036 1.462 2.014 0.5520 Weta= 1.875 Kp= 3.09 1964 1.7087 1.238 2.005 0.7670 Weta= 2.174 Kp= 2.70 1965 1.7238 1.387 2.013 0.6260 Weta= 1.965 Kp= 2.28 1966 1.6995 1.349 1.998 0.6490 Weta= 2.025 Kp= 2.75 1967 1.6784 1.359 1.999 0.6400 Weta= 2.011 Kp= 3.00 1968 1.6831 1.357 1.990 0.6330 Weta= 2.021 Kp= 3.21 1969 1.6807 1.367 1.986 0.6190 Weta= 2.011 Kp= 2.92 1970 1.6690 1.353 1.982 0.6290 Weta= 2.032 Kp= 3.00 1971 1.6662 1.386 1.979 0.5930 Weta= 1.993 Kp= 2.90 1972 1.6636 1.354 1.975 0.6210 Weta= 2.037 Kp= 3.09 1973 1.6129 1.317 1.929 0.6120 Weta= 2.123 Kp= 3.60 1974 1.5989 1.269 1.925 0.6560 Weta= 2.194 Kp= 3.83 1975 1.6494 1.321 1.963 0.6420 Weta= 2.090 Kp= 3.26 1976 1.6475 1.359 1.958 0.5990 Weta= 2.044 Kp= 3.14 1977 1.6419 1.326 1.954 0.6280 Weta= 2.091 Kp= 2.99 1978 1.6023 1.149 1.912 0.7630 Weta= 2.393 Kp= 3.59 1979 1.6454 1.374 1.945 0.5710 Weta= 2.035 Kp= 3.32 1980 1.6358 1.265 1.941 0.6760 Weta= 2.187 Kp= 2.88 1981 1.5794 1.262 1.894 0.6320 Weta= 2.231 Kp= 3.52 1982 1.5820 1.282 1.898 0.6160 Weta= 2.199 Kp= 4.06 1983 1.5798 1.015 1.889 0.8740 Weta= 2.666 Kp= 3.74 1984 1.5737 1.225 1.886 0.6610 Weta= 2.294 Kp= 3.76 1985 1.6318 1.284 1.930 0.6460 Weta= 2.169 Kp= 3.24 1986 1.6255 1.291 1.930 0.6390 Weta= 2.159 Kp= 3.09 1987 1.6342 1.365 1.931 0.5660 Weta= 2.058 Kp= 2.85 1988 1.6338 1.192 1.933 0.7410 Weta= 2.304 Kp= 3.11 1989 1.5829 1.141 1.887 0.7460 Weta= 2.429 Kp= 3.82 1990 1.5823 1.178 1.888 0.7100 Weta= 2.366 Kp= 3.52 1991 1.5822 1.297 1.890 0.5930 Weta= 2.184 Kp= 4.13 1992 1.5744 1.283 1.892 0.6090 Weta= 2.202 Kp= 3.55 1993 1.6285 1.346 1.936 0.5900 Weta= 2.079 Kp= 3.39 1994 1.5718 1.239 1.899 0.6600 Weta= 2.261 Kp= 3.71 1995 1.6529 1.325 1.940 0.6150 Weta= 2.103 Kp= 3.10 1996 1.6410 1.394 1.947 0.5530 Weta= 2.008 Kp= 2.59 1997 1.6788 1.415 1.956 0.5410 Weta= 1.975 Kp= 2.42 1998 1.6410 1.383 1.947 0.5640 Weta= 2.022 Kp= 3.00 1999 1.6513 1.393 1.950 0.5570 Weta= 2.007 Kp= 3.08 2000 1.6683 1.333 1.952 0.6190 Weta= 2.083 Kp= 3.39 2001 1.6537 1.241 1.954 0.7130 Weta= 2.211 Kp= 3.13 2002 1.6496 1.281 1.956 0.6750 Weta= 2.151 Kp= 3.16 2003 1.5879 1.148 1.917 0.7690 Weta= 2.391 Kp= 4.00 2004 1.6749 1.379 1.959 0.5800 Weta= 2.018 Kp= 3.19 2005 1.6582 1.359 1.961 0.6020 Weta= 2.042 Kp= 3.20 2006 1.6899 1.386 1.975 0.5890 Weta= 1.996 Kp= 2.42 2007 1.6966 1.303 1.978 0.6750 Weta= 2.102 Kp= 2.21 2008 1.7014 1.440 1.981 0.5410 Weta= 1.926 Kp= 2.09 2009 1.7303 1.454 1.989 0.5350 Weta= 1.903 Kp= 1.14 2010 1.7158 1.449 1.986 0.5370 Weta= 1.912 Kp= 1.84 2011 1.7174 1.470 1.989 0.5190 Weta= 1.885 Kp= 2.22 2012 1.6956 1.448 1.980 0.5320 Weta= 1.917 Kp= 2.53 2013 1.7146 1.478 1.994 0.5160 Weta= 1.872 Kp= 2.24 2014 1.7413 1.215 1.997 0.7820 Weta= 2.215 Kp= 2.28 2015 1.7010 1.367 1.988 0.6210 Weta= 2.010 Kp= 2.93 2016 1.7115 1.349 1.990 0.6410 Weta= 2.031 Kp= 3.17 2017 1.7097 1.321 1.993 0.6720 Weta= 2.066 Kp= 3.01 2018 1.7090 1.317 1.995 0.6780 Weta= 2.070 Kp= 2.88 2019 1.7208 1.396 1.997 0.6010 Weta= 1.966 Kp= 2.54 2020 1.7610 1.444 2.011 0.5670 Weta= 1.898 Kp= 1.99