yyyy RcEff RS RH service data 1950 15.4600 15.460 15.461 0.0010 15.4600 1951 15.4250 15.425 15.426 0.0010 15.4255 1952 15.3900 15.390 15.391 0.0010 15.3905 1953 15.3560 15.356 15.357 0.0010 15.3560 1954 15.3210 15.316 15.321 0.0050 15.3200 1955 15.2830 15.278 15.283 0.0050 15.2820 1956 15.2420 15.237 15.242 0.0050 15.2410 1957 15.2010 15.196 15.201 0.0050 15.2000 1958 15.1600 15.160 15.161 0.0010 15.1600 1959 15.1190 15.119 15.120 0.0010 15.1195 1960 15.0780 15.000 15.079 0.0790 15.0770 1961 15.0390 14.960 15.040 0.0800 15.0380 1962 14.9990 14.919 15.001 0.0820 14.9980 1963 14.9550 14.346 14.961 0.6150 14.9540 1964 14.9070 14.299 14.922 0.6230 14.9060 1965 14.8660 14.256 14.881 0.6250 14.8650 1966 14.8210 14.211 14.837 0.6260 14.8200 1967 14.7750 14.166 14.793 0.6270 14.7740 1968 14.7300 14.121 14.749 0.6280 14.7290 1969 14.6840 14.076 14.705 0.6290 14.6830 1970 14.6340 13.996 14.660 0.6640 14.6330 1971 14.5880 13.950 14.615 0.6650 14.5870 1972 14.5370 13.889 14.570 0.6810 14.5360 1973 14.4890 13.842 14.525 0.6830 14.4880 1974 14.4400 13.795 14.479 0.6840 14.4390 1975 14.3930 13.748 14.433 0.6850 14.3920 1976 14.3400 13.700 14.386 0.6860 14.3390 1977 14.2900 13.652 14.339 0.6870 14.2890 1978 14.2390 13.604 14.292 0.6880 14.2380 1979 14.1890 13.556 14.245 0.6890 14.1880 1980 14.1380 13.506 14.196 0.6900 14.1370 1981 14.0820 13.453 14.144 0.6910 14.0810 1982 14.0270 13.400 14.093 0.6930 14.0260 1983 13.9710 13.347 14.041 0.6940 13.9700 1984 13.9160 13.294 13.989 0.6950 13.9150 1985 13.8620 13.242 13.939 0.6970 13.8610 1986 13.8100 13.193 13.891 0.6980 13.8090 1987 13.7570 13.143 13.843 0.7000 13.7560 1988 13.6990 12.976 13.794 0.8180 13.6980 1989 13.6460 12.918 13.746 0.8280 13.6450 1990 13.5950 12.878 13.699 0.8210 13.5940 1991 13.5470 12.831 13.654 0.8230 13.5460 1992 13.4830 12.746 13.608 0.8620 13.4820 1993 13.4240 12.690 13.563 0.8730 13.4230 1994 13.3680 12.634 13.517 0.8830 13.3670 1995 13.3030 12.576 13.470 0.8940 13.3020 1996 13.2390 12.516 13.422 0.9060 13.2380 1997 13.1770 12.457 13.373 0.9160 13.1760 1998 13.1110 12.396 13.324 0.9280 13.1100 1999 13.0480 12.336 13.276 0.9400 13.0470 2000 12.9870 12.277 13.228 0.9510 12.9860 2001 12.9290 12.221 13.183 0.9620 12.9280 2002 12.8630 12.164 13.138 0.9740 12.8620 2003 12.8080 12.107 13.093 0.9860 12.8070 2004 12.7440 12.050 13.047 0.9970 12.7430 2005 12.6820 11.991 13.001 1.0100 12.6810 2006 12.6160 11.931 12.954 1.0230 12.6150 2007 12.5500 11.871 12.906 1.0350 12.5490 2008 12.4860 11.810 12.859 1.0490 12.4850 2009 12.4190 11.749 12.811 1.0620 12.4180 2010 12.3500 11.684 12.761 1.0770 12.3490 2011 12.2760 11.615 12.707 1.0920 12.2750 2012 12.1990 11.545 12.654 1.1090 12.1980 2013 12.1270 11.475 12.600 1.1250 12.1260 2014 12.0500 11.405 12.546 1.1410 12.0490 2015 11.9730 11.335 12.494 1.1590 11.9720 2016 11.8990 11.267 12.442 1.1750 11.8980 2017 11.8220 11.198 12.391 1.1930 11.8210 2018 11.7490 11.129 12.339 1.2100 11.7480 2019 11.6720 11.058 12.288 1.2300 11.6710 2020 11.5900 10.987 12.236 1.2490 11.5890 2021 11.5140 10.916 12.184 1.2680 11.5130 2022 11.4350 10.844 12.132 1.2880 11.4340 2023 11.3600 10.771 12.079 1.3080 11.3590 2024 11.2730 10.696 12.027 1.3310 11.2720 2025 11.1930 10.621 11.975 1.3540 11.1920 2026 11.1060 10.545 11.922 1.3770 11.1050 2027 11.0180 10.468 11.869 1.4010 11.0170 2028 10.9330 10.390 11.816 1.4260 10.9320 2029 10.8440 10.310 11.762 1.4520 10.8430 2030 10.7590 10.229 11.709 1.4800 10.7580 2031 10.6630 10.147 11.655 1.5080 10.6620 2032 10.5690 10.063 11.601 1.5380 10.5680 2033 10.4760 9.977 11.547 1.5700 10.4750 2034 10.3810 9.889 11.493 1.6040 10.3800 2035 10.2980 9.815 11.439 1.6240 10.2970 2036 10.2140 9.706 11.384 1.6780 10.2130 2037 10.1250 9.611 11.329 1.7180 10.1240 2038 10.0180 9.514 11.274 1.7600 10.0170 2039 9.9060 9.412 11.219 1.8070 9.9050 2040 9.7900 9.308 11.163 1.8550 9.7890 2041 9.6720 9.196 11.108 1.9120 9.6710 2042 9.5620 9.114 11.052 1.9380 9.5610 2043 9.4720 9.041 10.996 1.9550 9.4710 2044 9.3950 8.971 10.939 1.9680 9.3940 2045 9.2900 8.889 10.882 1.9930 9.2890 2046 9.1890 8.813 10.826 2.0130 9.1880 2047 9.0650 8.380 10.768 2.3880 9.0640 2048 8.9590 8.665 10.711 2.0460 8.9580 2049 8.8870 8.122 10.653 2.5310 8.8860 2050 8.8170 8.484 10.595 2.1110 8.8160