yyyy RcEff RS RH service data 1950 2.5200 2.082 2.746 0.6640 2.5190 1951 2.5130 2.169 2.746 0.5770 2.5120 1952 2.5150 2.035 2.737 0.7020 2.5140 1953 2.5210 2.161 2.737 0.5760 2.5200 1954 2.5210 2.215 2.747 0.5320 2.5200 1955 2.5210 2.026 2.738 0.7120 2.5200 1956 2.5230 2.074 2.740 0.6660 2.5220 1957 2.5380 2.222 2.742 0.5200 2.5370 1958 2.5270 2.090 2.750 0.6600 2.5260 1959 2.5300 2.003 2.755 0.7520 2.5290 1960 2.5200 2.034 2.757 0.7230 2.5190 1961 2.5410 2.269 2.749 0.4800 2.5400 1962 2.5400 2.179 2.751 0.5720 2.5390 1963 2.5370 2.068 2.764 0.6960 2.5360 1964 2.5390 2.087 2.756 0.6690 2.5380 1965 2.5520 2.215 2.770 0.5550 2.5510 1966 2.5290 2.037 2.761 0.7240 2.5280 1967 2.5380 2.192 2.769 0.5770 2.5370 1968 2.5580 2.034 2.766 0.7320 2.5570 1969 2.5680 2.202 2.774 0.5720 2.5670 1970 2.5480 2.072 2.772 0.7000 2.5470 1971 2.5610 2.070 2.780 0.7100 2.5600 1972 2.5500 2.235 2.788 0.5530 2.5490 1973 2.5530 2.257 2.779 0.5220 2.5520 1974 2.5750 2.023 2.793 0.7700 2.5740 1975 2.5610 2.238 2.783 0.5450 2.5600 1976 2.5770 2.074 2.794 0.7200 2.5760 1977 2.5690 2.225 2.787 0.5620 2.5680 1978 2.5470 2.230 2.793 0.5630 2.5460 1979 2.5560 2.309 2.788 0.4790 2.5550 1980 2.5530 2.014 2.784 0.7700 2.5520 1981 2.5510 2.082 2.776 0.6940 2.5500 1982 2.5530 2.221 2.772 0.5510 2.5520 1983 2.5450 2.042 2.770 0.7280 2.5440 1984 2.5580 2.215 2.777 0.5620 2.5570 1985 2.5330 2.012 2.765 0.7530 2.5320 1986 2.5400 2.041 2.764 0.7230 2.5390 1987 2.5340 2.092 2.767 0.6750 2.5330 1988 2.5200 2.200 2.763 0.5630 2.5190 1989 2.5240 1.874 2.750 0.8760 2.5230 1990 2.5200 2.185 2.758 0.5730 2.5190 1991 2.5280 2.205 2.749 0.5440 2.5270 1992 2.5320 2.033 2.749 0.7160 2.5310 1993 2.5300 1.904 2.751 0.8470 2.5290 1994 2.5120 2.084 2.749 0.6650 2.5110 1995 2.5090 2.081 2.737 0.6560 2.5080 1996 2.5130 2.058 2.740 0.6820 2.5120 1997 2.5080 2.192 2.741 0.5490 2.5070 1998 2.5190 1.974 2.728 0.7540 2.5180 1999 2.4940 2.164 2.731 0.5670 2.4930 2000 2.5010 2.123 2.730 0.6070 2.5000 2001 2.5130 2.120 2.730 0.6100 2.5120 2002 2.4830 2.125 2.727 0.6020 2.4820 2003 2.4850 2.118 2.724 0.6060 2.4840 2004 2.4870 2.062 2.713 0.6510 2.4860 2005 2.4900 2.175 2.721 0.5460 2.4890 2006 2.4780 2.110 2.721 0.6110 2.4770 2007 2.4940 2.010 2.721 0.7110 2.4930 2008 2.4940 2.106 2.717 0.6110 2.4930 2009 2.4940 2.152 2.714 0.5620 2.4930 2010 2.4970 1.961 2.717 0.7560 2.4960 2011 2.4930 2.143 2.712 0.5690 2.4920 2012 2.5070 2.054 2.714 0.6600 2.5060 2013 2.4920 2.040 2.719 0.6790 2.4910 2014 2.4880 2.177 2.711 0.5340 2.4870 2015 2.5010 2.135 2.711 0.5760 2.5000 2016 2.5000 1.971 2.715 0.7440 2.4990 2017 2.4950 1.998 2.721 0.7230 2.4940 2018 2.4970 2.123 2.721 0.5980 2.4960 2019 2.4870 1.995 2.713 0.7180 2.4860 2020 2.4790 2.045 2.723 0.6780 2.4780 2021 2.4920 2.031 2.716 0.6850 2.4910 2022 2.4930 2.014 2.724 0.7100 2.4920 2023 2.5030 2.110 2.725 0.6150 2.5020 2024 2.5020 2.048 2.718 0.6700 2.5010 2025 2.5100 2.146 2.727 0.5810 2.5090 2026 2.4950 1.998 2.724 0.7260 2.4940 2027 2.4910 2.039 2.729 0.6900 2.4900 2028 2.5070 2.187 2.730 0.5430 2.5060 2029 2.4880 2.108 2.731 0.6230 2.4870 2030 2.5240 2.213 2.733 0.5200 2.5230 2031 2.5180 2.187 2.734 0.5470 2.5170 2032 2.5110 2.133 2.732 0.5990 2.5100 2033 2.5160 2.218 2.728 0.5100 2.5150 2034 2.5030 2.127 2.738 0.6110 2.5020 2035 2.5170 2.164 2.733 0.5690 2.5160 2036 2.5240 2.161 2.737 0.5760 2.5230 2037 2.5210 2.063 2.739 0.6760 2.5200 2038 2.5250 2.030 2.735 0.7050 2.5240 2039 2.5090 2.065 2.742 0.6770 2.5080 2040 2.5260 2.073 2.747 0.6740 2.5250 2041 2.5310 2.168 2.748 0.5800 2.5300 2042 2.5140 2.145 2.743 0.5980 2.5130 2043 2.5230 2.206 2.749 0.5430 2.5220 2044 2.5100 2.034 2.754 0.7200 2.5090 2045 2.5280 2.082 2.756 0.6740 2.5270 2046 2.5190 2.044 2.758 0.7140 2.5180 2047 2.5310 2.157 2.760 0.6030 2.5300 2048 2.5280 2.164 2.762 0.5980 2.5270 2049 2.5300 2.086 2.764 0.6780 2.5290 2050 2.5320 2.200 2.766 0.5660 2.5310