yyyy RcEff RS RH service data 1950 1.9300 1.598 2.161 0.5630 1.9290 1951 1.9280 1.673 2.159 0.4860 1.9270 1952 1.9100 1.646 2.157 0.5110 1.9090 1953 1.9150 1.680 2.156 0.4760 1.9140 1954 1.9120 1.655 2.154 0.4990 1.9110 1955 1.9080 1.618 2.152 0.5340 1.9070 1956 1.9040 1.628 2.150 0.5220 1.9030 1957 1.8950 1.662 2.148 0.4860 1.8940 1958 1.8920 1.639 2.146 0.5070 1.8910 1959 1.9010 1.587 2.144 0.5570 1.9000 1960 1.9120 1.647 2.142 0.4950 1.9110 1961 1.8960 1.603 2.139 0.5360 1.8950 1962 1.8970 1.564 2.136 0.5720 1.8960 1963 1.8860 1.688 2.133 0.4450 1.8850 1964 1.8800 1.668 2.131 0.4630 1.8790 1965 1.8950 1.579 2.128 0.5490 1.8940 1966 1.8870 1.650 2.125 0.4750 1.8860 1967 1.8710 1.595 2.122 0.5270 1.8700 1968 1.8780 1.520 2.119 0.5990 1.8770 1969 1.8760 1.621 2.116 0.4950 1.8750 1970 1.8670 1.664 2.113 0.4490 1.8660 1971 1.8680 1.519 2.110 0.5910 1.8670 1972 1.8460 1.597 2.107 0.5100 1.8450 1973 1.8570 1.511 2.104 0.5930 1.8560 1974 1.8670 1.592 2.101 0.5090 1.8660 1975 1.8430 1.551 2.093 0.5420 1.8420 1976 1.8480 1.531 2.095 0.5640 1.8470 1977 1.8460 1.601 2.091 0.4900 1.8450 1978 1.8670 1.520 2.069 0.5490 1.8660 1979 1.8600 1.534 2.061 0.5270 1.8590 1980 1.8740 1.640 2.055 0.4150 1.8730 1981 1.8720 1.539 2.065 0.5260 1.8710 1982 1.8590 1.537 2.056 0.5190 1.8580 1983 1.8520 1.595 2.043 0.4480 1.8510 1984 1.8540 1.517 2.042 0.5250 1.8530 1985 1.8600 1.571 2.057 0.4860 1.8590 1986 1.8730 1.515 2.046 0.5310 1.8720 1987 1.8610 1.561 2.044 0.4830 1.8600 1988 1.8500 1.594 2.044 0.4500 1.8490 1989 1.8560 1.541 2.033 0.4920 1.8550 1990 1.8430 1.623 2.030 0.4070 1.8420 1991 1.8410 1.547 2.046 0.4990 1.8400 1992 1.8290 1.458 2.052 0.5940 1.8280 1993 1.8420 1.568 2.043 0.4750 1.8410 1994 1.8350 1.533 2.047 0.5140 1.8340 1995 1.8180 1.630 2.052 0.4220 1.8170 1996 1.8220 1.469 2.067 0.5980 1.8210 1997 1.8320 1.561 2.048 0.4870 1.8310 1998 1.8370 1.537 2.052 0.5150 1.8360 1999 1.8430 1.560 2.061 0.5010 1.8420 2000 1.8470 1.576 2.048 0.4720 1.8460 2001 1.8510 1.537 2.076 0.5390 1.8500 2002 1.8510 1.575 2.055 0.4800 1.8500 2003 1.8630 1.639 2.077 0.4380 1.8620 2004 1.8600 1.533 2.073 0.5400 1.8590 2005 1.8520 1.640 2.078 0.4380 1.8510 2006 1.8680 1.457 2.079 0.6220 1.8670 2007 1.8530 1.596 2.080 0.4840 1.8520 2008 1.8660 1.585 2.081 0.4960 1.8650 2009 1.8700 1.676 2.082 0.4060 1.8690 2010 1.8760 1.602 2.083 0.4810 1.8750 2011 1.8780 1.675 2.084 0.4090 1.8770 2012 1.8520 1.567 2.084 0.5170 1.8510 2013 1.8670 1.545 2.087 0.5420 1.8660 2014 1.8630 1.545 2.088 0.5430 1.8620 2015 1.8700 1.603 2.089 0.4860 1.8690 2016 1.8760 1.628 2.090 0.4620 1.8750 2017 1.8810 1.604 2.091 0.4870 1.8800 2018 1.8910 1.558 2.092 0.5340 1.8900 2019 1.8890 1.722 2.093 0.3710 1.8880 2020 1.8900 1.699 2.094 0.3950 1.8890 2021 1.8900 1.522 2.095 0.5730 1.8890 2022 1.8850 1.662 2.096 0.4340 1.8840 2023 1.8890 1.602 2.098 0.4960 1.8880 2024 1.8910 1.689 2.099 0.4100 1.8900 2025 1.8780 1.607 2.100 0.4930 1.8770 2026 1.9040 1.622 2.101 0.4790 1.9030 2027 1.9170 1.590 2.103 0.5130 1.9160 2028 1.9030 1.644 2.104 0.4600 1.9020 2029 1.9110 1.586 2.106 0.5200 1.9100 2030 1.9010 1.562 2.107 0.5450 1.9000 2031 1.9220 1.667 2.109 0.4420 1.9210 2032 1.9310 1.585 2.111 0.5260 1.9300 2033 1.9350 1.596 2.113 0.5170 1.9340 2034 1.9220 1.672 2.115 0.4430 1.9210 2035 1.9140 1.613 2.117 0.5040 1.9130 2036 1.9270 1.675 2.120 0.4450 1.9260 2037 1.9340 1.686 2.122 0.4360 1.9330 2038 1.9330 1.742 2.125 0.3830 1.9320 2039 1.9530 1.732 2.129 0.3970 1.9520 2040 1.9390 1.601 2.133 0.5320 1.9380 2041 1.9440 1.657 2.138 0.4810 1.9430 2042 1.9770 1.707 2.171 0.4640 1.9760 2043 1.9720 1.634 2.271 0.6370 1.9710 2044 1.9720 1.644 2.227 0.5830 1.9710 2045 1.9630 1.576 2.215 0.6390 1.9620 2046 1.9760 1.648 2.182 0.5340 1.9750 2047 1.9720 1.650 2.191 0.5410 1.9710 2048 1.9900 1.691 2.176 0.4850 1.9890 2049 1.9890 1.643 2.126 0.4830 1.9880 2050 1.9960 1.711 2.267 0.5560 1.9950