yyyy RcEff RS RH service data 1950 1.9750 1.689 2.247 0.5580 1.9740 1951 1.9890 1.673 2.244 0.5710 1.9880 1952 1.9790 1.628 2.241 0.6130 1.9780 1953 1.9790 1.662 2.238 0.5760 1.9780 1954 1.9690 1.633 2.235 0.6020 1.9680 1955 1.9570 1.597 2.233 0.6360 1.9560 1956 1.9610 1.645 2.230 0.5850 1.9600 1957 1.9680 1.594 2.227 0.6330 1.9670 1958 1.9530 1.597 2.225 0.6280 1.9520 1959 1.9680 1.726 2.222 0.4960 1.9670 1960 1.9500 1.639 2.219 0.5800 1.9490 1961 1.9460 1.685 2.215 0.5300 1.9450 1962 1.9570 1.698 2.211 0.5130 1.9560 1963 1.9480 1.647 2.207 0.5600 1.9470 1964 1.9470 1.641 2.204 0.5630 1.9460 1965 1.9340 1.624 2.200 0.5760 1.9330 1966 1.9380 1.581 2.196 0.6150 1.9370 1967 1.9270 1.605 2.192 0.5870 1.9260 1968 1.9170 1.592 2.188 0.5960 1.9160 1969 1.9300 1.604 2.184 0.5800 1.9290 1970 1.9300 1.651 2.181 0.5300 1.9290 1971 1.9240 1.645 2.176 0.5310 1.9230 1972 1.9210 1.671 2.172 0.5010 1.9200 1973 1.9260 1.565 2.168 0.6030 1.9250 1974 1.9210 1.611 2.164 0.5530 1.9200 1975 1.9090 1.611 2.160 0.5490 1.9080 1976 1.9140 1.690 2.155 0.4650 1.9130 1977 1.8920 1.530 2.150 0.6200 1.8910 1978 1.8900 1.607 2.145 0.5380 1.8890 1979 1.8980 1.458 2.140 0.6820 1.8970 1980 1.8960 1.660 2.137 0.4770 1.8950 1981 1.8830 1.561 2.134 0.5730 1.8820 1982 1.8910 1.570 2.131 0.5610 1.8900 1983 1.8910 1.579 2.120 0.5410 1.8900 1984 1.8880 1.640 2.126 0.4860 1.8870 1985 1.8820 1.550 2.098 0.5480 1.8810 1986 1.8960 1.579 2.125 0.5460 1.8950 1987 1.8880 1.560 2.089 0.5290 1.8870 1988 1.8870 1.575 2.091 0.5160 1.8860 1989 1.9030 1.553 2.126 0.5730 1.9020 1990 1.9050 1.654 2.127 0.4730 1.9040 1991 1.8910 1.593 2.065 0.4720 1.8900 1992 1.8960 1.561 2.129 0.5680 1.8950 1993 1.8960 1.674 2.082 0.4080 1.8950 1994 1.9010 1.670 2.103 0.4330 1.9000 1995 1.8970 1.593 2.078 0.4850 1.8960 1996 1.8850 1.594 2.126 0.5320 1.8840 1997 1.8940 1.614 2.103 0.4890 1.8930 1998 1.9000 1.623 2.134 0.5110 1.8990 1999 1.9090 1.588 2.105 0.5170 1.9080 2000 1.8970 1.635 2.148 0.5130 1.8960 2001 1.9010 1.655 2.140 0.4850 1.9000 2002 1.9090 1.583 2.140 0.5570 1.9080 2003 1.9160 1.624 2.153 0.5290 1.9150 2004 1.9060 1.598 2.125 0.5270 1.9050 2005 1.9110 1.649 2.157 0.5080 1.9100 2006 1.9090 1.662 2.154 0.4920 1.9080 2007 1.9200 1.642 2.162 0.5200 1.9190 2008 1.9190 1.591 2.164 0.5730 1.9180 2009 1.9230 1.578 2.167 0.5890 1.9220 2010 1.9220 1.698 2.169 0.4710 1.9210 2011 1.9190 1.584 2.172 0.5880 1.9180 2012 1.9260 1.532 2.174 0.6420 1.9250 2013 1.9350 1.713 2.177 0.4640 1.9340 2014 1.9230 1.617 2.179 0.5620 1.9220 2015 1.9350 1.689 2.182 0.4930 1.9340 2016 1.9270 1.643 2.184 0.5410 1.9260 2017 1.9240 1.653 2.186 0.5330 1.9230 2018 1.9350 1.635 2.188 0.5530 1.9340 2019 1.9410 1.696 2.190 0.4940 1.9400 2020 1.9350 1.670 2.192 0.5220 1.9340 2021 1.9530 1.700 2.194 0.4940 1.9520 2022 1.9570 1.775 2.196 0.4210 1.9560 2023 1.9470 1.626 2.198 0.5720 1.9460 2024 1.9560 1.682 2.200 0.5180 1.9550 2025 1.9670 1.691 2.202 0.5110 1.9660 2026 1.9480 1.727 2.204 0.4770 1.9470 2027 1.9600 1.590 2.206 0.6160 1.9590 2028 1.9610 1.643 2.208 0.5650 1.9600 2029 1.9660 1.688 2.210 0.5220 1.9650 2030 1.9750 1.694 2.212 0.5180 1.9740 2031 1.9720 1.716 2.215 0.4990 1.9710 2032 1.9900 1.707 2.217 0.5100 1.9890 2033 1.9860 1.648 2.219 0.5710 1.9850 2034 1.9850 1.714 2.221 0.5070 1.9840 2035 1.9990 1.730 2.224 0.4940 1.9980 2036 2.0030 1.812 2.226 0.4140 2.0020 2037 2.0010 1.653 2.228 0.5750 2.0000 2038 2.0110 1.597 2.230 0.6330 2.0100 2039 1.9990 1.720 2.233 0.5130 1.9980 2040 2.0130 1.605 2.235 0.6300 2.0120 2041 1.9970 1.651 2.238 0.5870 1.9960 2042 2.0140 1.770 2.240 0.4700 2.0130 2043 2.0290 1.780 2.243 0.4630 2.0280 2044 2.0220 1.693 2.245 0.5520 2.0210 2045 2.0280 1.735 2.248 0.5130 2.0270 2046 2.0220 1.726 2.250 0.5240 2.0210 2047 2.0360 1.666 2.253 0.5870 2.0350 2048 2.0510 1.724 2.256 0.5320 2.0500 2049 2.0470 1.664 2.259 0.5950 2.0460 2050 2.0520 1.801 2.261 0.4600 2.0510