yyyy RcEff RS RH service data 1950 31.4620 31.462 31.463 0.0010 31.4625 1951 31.4830 31.483 31.484 0.0010 31.4835 1952 31.5030 31.503 31.504 0.0010 31.5035 1953 31.5240 31.524 31.525 0.0010 31.5245 1954 31.5440 31.544 31.545 0.0010 31.5445 1955 31.5560 31.556 31.557 0.0010 31.5565 1956 31.5580 31.558 31.559 0.0010 31.5585 1957 31.5610 31.561 31.562 0.0010 31.5615 1958 31.5630 31.563 31.564 0.0010 31.5635 1959 31.5660 31.566 31.567 0.0010 31.5665 1960 31.5690 31.569 31.570 0.0010 31.5695 1961 31.5730 31.573 31.574 0.0010 31.5735 1962 31.5770 31.577 31.578 0.0010 31.5775 1963 31.5800 31.580 31.581 0.0010 31.5805 1964 31.5840 31.584 31.585 0.0010 31.5845 1965 31.5810 31.581 31.582 0.0010 31.5810 1966 31.5700 31.570 31.571 0.0010 31.5705 1967 31.5590 31.559 31.560 0.0010 31.5595 1968 31.5490 31.549 31.550 0.0010 31.5495 1969 31.5380 31.538 31.539 0.0010 31.5385 1970 31.5210 31.521 31.522 0.0010 31.5215 1971 31.4980 31.498 31.499 0.0010 31.4980 1972 31.4740 31.474 31.475 0.0010 31.4745 1973 31.4510 31.451 31.452 0.0010 31.4515 1974 31.4280 31.428 31.429 0.0010 31.4280 1975 31.3990 31.399 31.400 0.0010 31.3995 1976 31.3650 31.365 31.366 0.0010 31.3655 1977 31.3310 31.331 31.332 0.0010 31.3310 1978 31.2970 31.297 31.298 0.0010 31.2975 1979 31.2630 31.263 31.264 0.0010 31.2635 1980 31.2220 31.222 31.223 0.0010 31.2225 1981 31.1750 31.175 31.176 0.0010 31.1750 1982 31.1280 31.128 31.129 0.0010 31.1285 1983 31.0810 31.081 31.082 0.0010 31.0810 1984 31.0340 31.034 31.035 0.0010 31.0345 1985 31.0010 31.001 31.002 0.0010 31.0010 1986 30.9820 30.982 30.983 0.0010 30.9825 1987 30.9640 30.964 30.965 0.0010 30.9645 1988 30.9450 30.945 30.946 0.0010 30.9455 1989 30.9260 30.926 30.927 0.0010 30.9265 1990 30.9190 30.919 30.920 0.0010 30.9195 1991 30.9230 30.923 30.924 0.0010 30.9235 1992 30.9270 30.927 30.928 0.0010 30.9275 1993 30.9310 30.931 30.932 0.0010 30.9315 1994 30.9350 30.935 30.936 0.0010 30.9350 1995 30.9310 30.931 30.932 0.0010 30.9315 1996 30.9190 30.919 30.920 0.0010 30.9195 1997 30.9080 30.908 30.909 0.0010 30.9085 1998 30.8960 30.896 30.897 0.0010 30.8965 1999 30.8840 30.884 30.885 0.0010 30.8845 2000 30.8700 30.870 30.871 0.0010 30.8705 2001 30.8540 30.854 30.855 0.0010 30.8545 2002 30.8380 30.838 30.839 0.0010 30.8380 2003 30.8220 30.822 30.823 0.0010 30.8225 2004 30.8060 30.806 30.807 0.0010 30.8065 2005 30.7850 30.785 30.786 0.0010 30.7855 2006 30.7580 30.758 30.759 0.0010 30.7580 2007 30.7320 30.732 30.733 0.0010 30.7325 2008 30.7060 30.706 30.707 0.0010 30.7060 2009 30.6800 30.680 30.681 0.0010 30.6805 2010 30.6580 30.658 30.659 0.0010 30.6585 2011 30.6410 30.641 30.642 0.0010 30.6415 2012 30.6240 30.624 30.625 0.0010 30.6245 2013 30.6070 30.607 30.608 0.0010 30.6075 2014 30.5900 30.590 30.591 0.0010 30.5905 2015 30.5750 30.575 30.576 0.0010 30.5755 2016 30.5620 30.562 30.563 0.0010 30.5625 2017 30.5500 30.550 30.551 0.0010 30.5500 2018 30.5370 30.537 30.538 0.0010 30.5375 2019 30.5240 30.524 30.525 0.0010 30.5245 2020 30.5110 30.511 30.512 0.0010 30.5115 2021 30.4990 30.499 30.500 0.0010 30.4995 2022 30.4860 30.486 30.487 0.0010 30.4865 2023 30.4740 30.474 30.475 0.0010 30.4745 2024 30.4610 30.461 30.462 0.0010 30.4615 2025 30.4490 30.449 30.450 0.0010 30.4490 2026 30.4370 30.437 30.438 0.0010 30.4375 2027 30.4240 30.424 30.425 0.0010 30.4245 2028 30.4120 30.412 30.413 0.0010 30.4125 2029 30.4000 30.400 30.401 0.0010 30.4005 2030 30.3880 30.388 30.389 0.0010 30.3885 2031 30.3760 30.376 30.377 0.0010 30.3760 2032 30.3640 30.364 30.365 0.0010 30.3645 2033 30.3520 30.352 30.353 0.0010 30.3520 2034 30.3400 30.340 30.341 0.0010 30.3405 2035 30.3280 30.328 30.329 0.0010 30.3280 2036 30.3160 30.316 30.317 0.0010 30.3165 2037 30.3040 30.304 30.305 0.0010 30.3045 2038 30.2920 30.292 30.293 0.0010 30.2925 2039 30.2800 30.280 30.281 0.0010 30.2805 2040 30.2690 30.269 30.270 0.0010 30.2690 2041 30.2570 30.257 30.258 0.0010 30.2575 2042 30.2450 30.245 30.246 0.0010 30.2455 2043 30.2340 30.234 30.235 0.0010 30.2340 2044 30.2220 30.222 30.223 0.0010 30.2225 2045 30.2100 30.210 30.211 0.0010 30.2100 2046 30.1990 30.199 30.200 0.0010 30.1990 2047 30.1870 30.187 30.188 0.0010 30.1875 2048 30.1750 30.175 30.176 0.0010 30.1750 2049 30.1630 30.163 30.164 0.0010 30.1635 2050 30.1520 30.152 30.153 0.0010 30.1525