yyyy RcEff RS RH service data 1950 13.0750 13.075 13.076 0.0010 13.0750 1951 13.0580 13.058 13.059 0.0010 13.0580 1952 13.0400 13.040 13.041 0.0010 13.0400 1953 13.0220 13.022 13.023 0.0010 13.0225 1954 13.0040 13.004 13.005 0.0010 13.0040 1955 12.9830 12.983 12.984 0.0010 12.9830 1956 12.9580 12.958 12.959 0.0010 12.9585 1957 12.9320 12.932 12.933 0.0010 12.9325 1958 12.9070 12.907 12.908 0.0010 12.9070 1959 12.8820 12.882 12.883 0.0010 12.8820 1960 12.8590 12.859 12.860 0.0010 12.8595 1961 12.8390 12.839 12.840 0.0010 12.8390 1962 12.8180 12.818 12.819 0.0010 12.8180 1963 12.7980 12.798 12.799 0.0010 12.7985 1964 12.7770 12.777 12.778 0.0010 12.7775 1965 12.7550 12.755 12.756 0.0010 12.7555 1966 12.7310 12.731 12.732 0.0010 12.7310 1967 12.7070 12.707 12.708 0.0010 12.7070 1968 12.6820 12.682 12.683 0.0010 12.6825 1969 12.6580 12.658 12.659 0.0010 12.6580 1970 12.6340 12.634 12.635 0.0010 12.6340 1971 12.6100 12.610 12.611 0.0010 12.6100 1972 12.5850 12.585 12.586 0.0010 12.5850 1973 12.5610 12.561 12.562 0.0010 12.5610 1974 12.5370 12.537 12.538 0.0010 12.5370 1975 12.5150 12.515 12.516 0.0010 12.5155 1976 12.4950 12.495 12.496 0.0010 12.4950 1977 12.4740 12.474 12.475 0.0010 12.4740 1978 12.4540 12.454 12.455 0.0010 12.4545 1979 12.4340 12.434 12.435 0.0010 12.4340 1980 12.4120 12.377 12.412 0.0350 12.4110 1981 12.3870 12.352 12.388 0.0360 12.3860 1982 12.3620 12.327 12.364 0.0370 12.3610 1983 12.3380 12.302 12.341 0.0390 12.3370 1984 12.3130 12.277 12.317 0.0400 12.3120 1985 12.2890 12.253 12.294 0.0410 12.2880 1986 12.2660 12.230 12.271 0.0410 12.2650 1987 12.2420 12.206 12.248 0.0420 12.2410 1988 12.2190 12.182 12.225 0.0430 12.2180 1989 12.1940 12.158 12.202 0.0440 12.1930 1990 12.1720 12.135 12.180 0.0450 12.1710 1991 12.1500 12.113 12.158 0.0450 12.1490 1992 12.1280 12.090 12.137 0.0470 12.1270 1993 12.1050 12.067 12.115 0.0480 12.1040 1994 12.0830 12.045 12.093 0.0480 12.0820 1995 12.0590 12.021 12.070 0.0490 12.0580 1996 12.0360 11.997 12.047 0.0500 12.0350 1997 12.0130 11.974 12.024 0.0500 12.0120 1998 11.9890 11.950 12.000 0.0500 11.9880 1999 11.9650 11.926 11.977 0.0510 11.9640 2000 11.9430 11.903 11.954 0.0510 11.9420 2001 11.9190 11.880 11.931 0.0510 11.9180 2002 11.8970 11.857 11.909 0.0520 11.8960 2003 11.8740 11.834 11.886 0.0520 11.8730 2004 11.8510 11.811 11.863 0.0520 11.8500 2005 11.8280 11.787 11.840 0.0530 11.8270 2006 11.8050 11.764 11.817 0.0530 11.8040 2007 11.7810 11.740 11.793 0.0530 11.7800 2008 11.7570 11.716 11.770 0.0540 11.7560 2009 11.7340 11.693 11.746 0.0530 11.7330 2010 11.6960 11.410 11.722 0.3120 11.6950 2011 11.6680 11.381 11.695 0.3140 11.6670 2012 11.6420 11.352 11.669 0.3170 11.6410 2013 11.6110 11.302 11.642 0.3400 11.6100 2014 11.5860 11.261 11.616 0.3550 11.5850 2015 11.5570 11.230 11.590 0.3600 11.5560 2016 11.5290 11.202 11.565 0.3630 11.5280 2017 11.5020 11.175 11.540 0.3650 11.5010 2018 11.4790 11.148 11.515 0.3670 11.4780 2019 11.4530 11.120 11.490 0.3700 11.4520 2020 11.4250 11.093 11.465 0.3720 11.4240 2021 11.4000 11.066 11.440 0.3740 11.3990 2022 11.3770 11.039 11.415 0.3760 11.3760 2023 11.3520 11.011 11.390 0.3790 11.3510 2024 11.3250 10.984 11.365 0.3810 11.3240 2025 11.2980 10.957 11.341 0.3840 11.2970 2026 11.2710 10.930 11.315 0.3850 11.2700 2027 11.2470 10.902 11.291 0.3890 11.2460 2028 11.2230 10.875 11.266 0.3910 11.2220 2029 11.1960 10.848 11.241 0.3930 11.1950 2030 11.1690 10.821 11.216 0.3950 11.1680 2031 11.1420 10.794 11.191 0.3970 11.1410 2032 11.1170 10.766 11.166 0.4000 11.1160 2033 11.0920 10.739 11.141 0.4020 11.0910 2034 11.0640 10.712 11.116 0.4040 11.0630 2035 11.0400 10.681 11.092 0.4110 11.0390 2036 11.0140 10.658 11.066 0.4080 11.0130 2037 10.9880 10.631 11.042 0.4110 10.9870 2038 10.9620 10.599 11.017 0.4180 10.9610 2039 10.9370 10.572 10.992 0.4200 10.9360 2040 10.9100 10.545 10.967 0.4220 10.9090 2041 10.8840 10.518 10.942 0.4240 10.8830 2042 10.8590 10.491 10.917 0.4260 10.8580 2043 10.8320 10.464 10.893 0.4290 10.8310 2044 10.8050 10.437 10.868 0.4310 10.8040 2045 10.7800 10.410 10.843 0.4330 10.7790 2046 10.7550 10.382 10.818 0.4360 10.7540 2047 10.7290 10.144 10.793 0.6490 10.7280 2048 10.7050 10.116 10.769 0.6530 10.7040 2049 10.6760 10.199 10.744 0.5450 10.6750 2050 10.6480 10.061 10.719 0.6580 10.6470