yyyy RcEff RS RH service data 1950 10.8490 9.637 10.900 1.2630 10.8480 1951 10.8670 9.647 10.913 1.2660 10.8660 1952 10.8810 9.657 10.924 1.2670 10.8800 1953 10.8980 9.667 10.940 1.2730 10.8970 1954 10.9120 9.677 10.953 1.2760 10.9110 1955 10.9230 9.683 10.961 1.2780 10.9220 1956 10.9310 8.973 10.964 1.9910 10.9300 1957 10.9380 9.731 10.968 1.2370 10.9370 1958 10.9440 9.734 10.971 1.2370 10.9430 1959 10.9490 9.737 10.975 1.2380 10.9480 1960 10.9530 9.738 10.979 1.2410 10.9520 1961 10.9590 9.742 10.983 1.2410 10.9580 1962 10.9650 9.743 10.988 1.2450 10.9640 1963 10.9730 9.747 10.992 1.2450 10.9720 1964 10.9780 9.748 10.997 1.2490 10.9770 1965 10.9820 9.749 10.999 1.2500 10.9810 1966 10.9860 9.750 11.000 1.2500 10.9850 1967 10.9860 9.750 11.000 1.2500 10.9850 1968 10.9880 9.749 11.001 1.2520 10.9870 1969 10.9880 9.749 11.001 1.2520 10.9870 1970 10.9880 9.749 11.000 1.2510 10.9870 1971 10.9890 9.748 10.999 1.2510 10.9880 1972 10.9900 9.745 10.998 1.2530 10.9890 1973 10.9840 9.745 10.996 1.2510 10.9830 1974 10.9840 9.743 10.995 1.2520 10.9830 1975 10.9870 9.746 10.997 1.2510 10.9860 1976 10.9910 9.749 11.001 1.2520 10.9900 1977 10.9970 9.753 11.005 1.2520 10.9960 1978 10.9990 9.756 11.010 1.2540 10.9980 1979 11.0030 9.760 11.014 1.2540 11.0020 1980 11.0010 9.760 11.012 1.2520 11.0000 1981 10.9940 9.756 11.004 1.2480 10.9930 1982 10.9860 9.751 10.996 1.2450 10.9850 1983 10.9800 9.748 10.988 1.2400 10.9790 1984 10.9710 9.742 10.980 1.2380 10.9700 1985 10.9600 9.737 10.969 1.2320 10.9590 1986 10.9430 9.727 10.953 1.2260 10.9420 1987 10.9300 9.717 10.938 1.2210 10.9290 1988 10.9140 9.708 10.923 1.2150 10.9130 1989 10.9000 9.700 10.908 1.2080 10.8990 1990 10.8840 9.689 10.890 1.2010 10.8830 1991 10.8530 9.675 10.867 1.1920 10.8520 1992 10.8350 9.663 10.849 1.1860 10.8340 1993 10.8140 8.919 10.829 1.9100 10.8130 1994 10.7910 9.597 10.809 1.2120 10.7900 1995 10.7720 9.584 10.788 1.2040 10.7710 1996 10.7490 9.569 10.767 1.1980 10.7480 1997 10.7290 8.878 10.746 1.8680 10.7280 1998 10.7030 8.868 10.725 1.8570 10.7020 1999 10.6840 9.527 10.704 1.1770 10.6830 2000 10.6600 9.516 10.687 1.1710 10.6590 2001 10.6470 9.507 10.676 1.1690 10.6460 2002 10.6340 8.835 10.664 1.8290 10.6330 2003 10.6280 9.490 10.652 1.1620 10.6270 2004 10.6160 9.481 10.640 1.1590 10.6150 2005 10.6110 9.472 10.626 1.1540 10.6100 2006 10.5890 9.461 10.610 1.1490 10.5880 2007 10.5600 9.450 10.593 1.1430 10.5590 2008 10.5440 8.788 10.577 1.7890 10.5430 2009 10.5270 9.435 10.561 1.1260 10.5260 2010 10.5100 8.770 10.544 1.7740 10.5090 2011 10.4850 9.406 10.525 1.1190 10.4840 2012 10.4630 9.399 10.506 1.1070 10.4620 2013 10.4470 9.387 10.488 1.1010 10.4460 2014 10.4270 9.376 10.470 1.0940 10.4260 2015 10.4140 8.728 10.453 1.7250 10.4130 2016 10.3940 9.356 10.438 1.0820 10.3930 2017 10.3770 9.347 10.422 1.0750 10.3760 2018 10.3630 9.338 10.407 1.0690 10.3620 2019 10.3510 9.333 10.392 1.0590 10.3500 2020 10.3380 9.324 10.377 1.0530 10.3370 2021 10.3200 9.315 10.362 1.0470 10.3190 2022 10.3070 9.301 10.347 1.0460 10.3060 2023 10.2900 8.165 10.332 2.1670 10.2890 2024 10.2710 9.289 10.317 1.0280 10.2700 2025 10.2590 9.281 10.303 1.0220 10.2580 2026 10.2410 9.268 10.288 1.0200 10.2400 2027 10.2320 8.731 10.274 1.5430 10.2310 2028 10.2140 8.722 10.259 1.5370 10.2130 2029 10.1990 8.714 10.245 1.5310 10.1980 2030 10.1810 8.706 10.231 1.5250 10.1800 2031 10.1660 8.698 10.217 1.5190 10.1650 2032 10.1560 8.690 10.203 1.5130 10.1550 2033 10.1360 8.682 10.189 1.5070 10.1350 2034 10.1220 8.675 10.174 1.4990 10.1210 2035 10.1090 7.988 10.162 2.1740 10.1080 2036 10.0970 8.660 10.148 1.4880 10.0960 2037 10.0810 8.652 10.134 1.4820 10.0800 2038 10.0730 8.645 10.121 1.4760 10.0720 2039 10.0540 8.638 10.107 1.4690 10.0530 2040 10.0410 8.630 10.094 1.4640 10.0400 2041 10.0280 7.961 10.081 2.1200 10.0270 2042 10.0190 8.046 10.068 2.0220 10.0180 2043 10.0020 8.609 10.054 1.4450 10.0010 2044 9.9880 8.602 10.041 1.4390 9.9870 2045 9.9770 8.595 10.029 1.4340 9.9760 2046 9.9680 8.031 10.016 1.9850 9.9670 2047 9.9520 8.027 10.003 1.9760 9.9510 2048 9.9440 8.574 9.991 1.4170 9.9430 2049 9.9280 8.567 9.978 1.4110 9.9270 2050 9.9110 8.016 9.963 1.9470 9.9100