1950 1.5277 1.196 1.722 0.5260 Weta= 2.453 Kp= 3.69 1951 1.5128 1.207 1.723 0.5160 Weta= 2.435 Kp= 4.05 1952 1.5279 1.205 1.735 0.5300 Weta= 2.426 Kp= 3.97 1953 1.5801 1.312 1.808 0.4960 Weta= 2.204 Kp= 3.45 1954 1.5917 1.276 1.811 0.5350 Weta= 2.251 Kp= 2.87 1955 1.6013 1.254 1.809 0.5550 Weta= 2.284 Kp= 2.90 1956 1.5486 1.230 1.751 0.5210 Weta= 2.373 Kp= 3.70 1957 1.5420 1.265 1.757 0.4920 Weta= 2.316 Kp= 3.88 1958 1.5458 1.191 1.755 0.5640 Weta= 2.428 Kp= 3.80 1959 1.5543 1.247 1.768 0.5210 Weta= 2.332 Kp= 3.98 1960 1.5495 1.323 1.766 0.4430 Weta= 2.228 Kp= 4.15 1961 1.6442 1.385 1.841 0.4560 Weta= 2.082 Kp= 3.31 1962 1.6567 1.387 1.854 0.4670 Weta= 2.069 Kp= 3.05 1963 1.6645 1.365 1.852 0.4870 Weta= 2.098 Kp= 3.09 1964 1.6683 1.302 1.857 0.5550 Weta= 2.175 Kp= 2.70 1965 1.7239 1.441 1.921 0.4800 Weta= 1.951 Kp= 2.28 1966 1.6879 1.479 1.872 0.3930 Weta= 1.947 Kp= 2.75 1967 1.6933 1.399 1.881 0.4820 Weta= 2.032 Kp= 3.00 1968 1.7056 1.339 1.901 0.5620 Weta= 2.090 Kp= 3.21 1969 1.7171 1.366 1.913 0.5470 Weta= 2.046 Kp= 2.92 1970 1.7178 1.419 1.913 0.4940 Weta= 1.982 Kp= 3.00 1971 1.7176 1.444 1.928 0.4840 Weta= 1.942 Kp= 2.90 1972 1.7242 1.394 1.943 0.5490 Weta= 1.988 Kp= 3.09 1973 1.6746 1.367 1.862 0.4950 Weta= 2.087 Kp= 3.60 1974 1.6811 1.406 1.873 0.4670 Weta= 2.030 Kp= 3.83 1975 1.7507 1.467 1.997 0.5300 Weta= 1.864 Kp= 3.26 1976 1.7795 1.538 2.030 0.4920 Weta= 1.765 Kp= 3.14 1977 1.7848 1.436 2.047 0.6110 Weta= 1.862 Kp= 2.99 1978 1.7128 1.408 1.924 0.5160 Weta= 1.987 Kp= 3.59 1979 1.7960 1.490 2.064 0.5740 Weta= 1.791 Kp= 3.32 1980 1.8174 1.490 2.078 0.5880 Weta= 1.781 Kp= 2.88 1981 1.7314 1.419 1.980 0.5610 Weta= 1.930 Kp= 3.52 1982 1.7395 1.373 2.000 0.6270 Weta= 1.970 Kp= 4.06 1983 1.7475 1.421 2.019 0.5980 Weta= 1.899 Kp= 3.74 1984 1.7520 1.447 2.037 0.5900 Weta= 1.857 Kp= 3.76 1985 1.8618 1.560 2.136 0.5760 Weta= 1.671 Kp= 3.24 1986 1.8940 1.632 2.154 0.5220 Weta= 1.592 Kp= 3.09 1987 1.8883 1.480 2.154 0.6740 Weta= 1.741 Kp= 2.85 1988 1.8835 1.643 2.171 0.5280 Weta= 1.571 Kp= 3.11 1989 1.8443 1.412 2.091 0.6790 Weta= 1.858 Kp= 3.82 1990 1.8498 1.516 2.102 0.5860 Weta= 1.738 Kp= 3.52 1991 1.8558 1.532 2.122 0.5900 Weta= 1.708 Kp= 4.13 1992 1.8579 1.581 2.125 0.5440 Weta= 1.658 Kp= 3.55 1993 1.9247 1.589 2.212 0.6230 Weta= 1.595 Kp= 3.39 1994 1.8766 1.503 2.141 0.6380 Weta= 1.725 Kp= 3.71 1995 1.9558 1.671 2.228 0.5570 Weta= 1.512 Kp= 3.10 1996 1.9775 1.620 2.231 0.6110 Weta= 1.555 Kp= 2.59 1997 2.0481 1.718 2.289 0.5710 Weta= 1.436 Kp= 2.42 1998 2.0043 1.655 2.251 0.5960 Weta= 1.512 Kp= 3.00 1999 2.0305 1.637 2.261 0.6240 Weta= 1.522 Kp= 3.08 2000 2.0403 1.563 2.272 0.7090 Weta= 1.584 Kp= 3.39 2001 2.0528 1.736 2.284 0.5480 Weta= 1.424 Kp= 3.13 2002 2.0484 1.755 2.305 0.5500 Weta= 1.397 Kp= 3.16 2003 1.9961 1.603 2.235 0.6320 Weta= 1.568 Kp= 4.00 2004 2.0641 1.757 2.323 0.5660 Weta= 1.385 Kp= 3.19 2005 2.0928 1.682 2.349 0.6670 Weta= 1.432 Kp= 3.20 2006 2.1564 1.831 2.432 0.6010 Weta= 1.271 Kp= 2.42 2007 2.1849 1.713 2.461 0.7480 Weta= 1.347 Kp= 2.21 2008 2.1902 1.839 2.490 0.6510 Weta= 1.236 Kp= 2.09 2009 2.2661 1.951 2.608 0.6570 Weta= 1.104 Kp= 1.14 2010 2.2511 1.831 2.540 0.7090 Weta= 1.218 Kp= 1.84 2011 2.2775 1.897 2.595 0.6980 Weta= 1.146 Kp= 2.22 2012 2.2333 1.825 2.548 0.7230 Weta= 1.218 Kp= 2.53 2013 2.3133 1.908 2.661 0.7530 Weta= 1.109 Kp= 2.24 2014 2.3388 1.950 2.676 0.7260 Weta= 1.074 Kp= 2.28 2015 2.3085 1.874 2.653 0.7790 Weta= 1.135 Kp= 2.93 2016 2.3405 1.868 2.681 0.8130 Weta= 1.127 Kp= 3.17 2017 2.3612 1.905 2.707 0.8020 Weta= 1.091 Kp= 3.01 2018 2.3736 1.964 2.730 0.7660 Weta= 1.042 Kp= 2.88 2019 2.3848 1.931 2.752 0.8210 Weta= 1.055 Kp= 2.54 2020 2.4497 2.011 2.819 0.8080 Weta= 0.977 Kp= 1.99