yyyy RcEff RS RH service data 1950 2.0510 1.729 2.336 0.6070 2.0500 1951 2.0620 1.699 2.333 0.6340 2.0610 1952 2.0720 1.670 2.330 0.6600 2.0710 1953 2.0990 1.678 2.327 0.6490 2.0980 1954 2.1060 1.716 2.325 0.6090 2.1050 1955 2.1010 1.708 2.322 0.6140 2.1000 1956 2.0920 1.730 2.319 0.5890 2.0910 1957 2.1020 1.723 2.317 0.5940 2.1010 1958 2.0910 1.723 2.314 0.5910 2.0900 1959 2.0890 1.710 2.311 0.6010 2.0880 1960 2.0980 1.700 2.308 0.6080 2.0970 1961 2.0760 1.681 2.304 0.6230 2.0750 1962 2.0810 1.610 2.247 0.6370 2.0800 1963 2.0830 1.709 2.267 0.5580 2.0820 1964 2.0640 1.657 2.291 0.6340 2.0630 1965 2.0530 1.602 2.258 0.6560 2.0520 1966 2.0390 1.565 2.253 0.6880 2.0380 1967 2.0290 1.539 2.274 0.7350 2.0280 1968 2.0220 1.665 2.247 0.5820 2.0210 1969 2.0130 1.625 2.233 0.6080 2.0120 1970 1.9730 1.616 2.253 0.6370 1.9720 1971 1.9910 1.682 2.248 0.5660 1.9900 1972 1.9680 1.576 2.256 0.6800 1.9670 1973 1.9610 1.614 2.207 0.5930 1.9600 1974 1.9610 1.618 2.183 0.5650 1.9600 1975 1.9350 1.691 2.244 0.5530 1.9340 1976 1.9340 1.719 2.234 0.5150 1.9330 1977 1.9140 1.616 2.185 0.5690 1.9130 1978 1.9230 1.606 2.207 0.6010 1.9220 1979 1.9210 1.677 2.139 0.4620 1.9200 1980 1.9180 1.616 2.195 0.5790 1.9170 1981 1.9080 1.616 2.198 0.5820 1.9070 1982 1.9000 1.628 2.148 0.5200 1.8990 1983 1.9200 1.662 2.199 0.5370 1.9190 1984 1.9060 1.585 2.191 0.6060 1.9050 1985 1.9050 1.615 2.190 0.5750 1.9040 1986 1.9120 1.599 2.182 0.5830 1.9110 1987 1.9030 1.610 2.100 0.4900 1.9020 1988 1.8880 1.581 2.201 0.6200 1.8870 1989 1.8950 1.627 2.152 0.5250 1.8940 1990 1.9110 1.583 2.190 0.6070 1.9100 1991 1.9000 1.626 2.207 0.5810 1.8990 1992 1.9050 1.559 2.162 0.6030 1.9040 1993 1.9120 1.574 2.165 0.5910 1.9110 1994 1.9310 1.591 2.161 0.5700 1.9300 1995 1.9390 1.641 2.168 0.5270 1.9380 1996 1.9450 1.561 2.174 0.6130 1.9440 1997 1.9580 1.564 2.183 0.6190 1.9570 1998 1.9720 1.620 2.172 0.5520 1.9710 1999 1.9810 1.618 2.226 0.6080 1.9800 2000 2.0010 1.625 2.176 0.5510 2.0000 2001 2.0180 1.596 2.231 0.6350 2.0170 2002 2.0250 1.621 2.190 0.5690 2.0240 2003 2.0240 1.633 2.202 0.5690 2.0230 2004 2.0410 1.721 2.196 0.4750 2.0400 2005 2.0370 1.631 2.199 0.5680 2.0360 2006 2.0470 1.618 2.211 0.5930 2.0460 2007 2.0460 1.630 2.185 0.5550 2.0450 2008 2.0440 1.673 2.236 0.5630 2.0430 2009 2.0540 1.662 2.200 0.5380 2.0530 2010 2.0140 1.574 2.212 0.6380 2.0130 2011 1.9980 1.616 2.225 0.6090 1.9970 2012 1.9900 1.756 2.210 0.4540 1.9890 2013 1.9930 1.664 2.220 0.5560 1.9920 2014 1.9910 1.638 2.226 0.5880 1.9900 2015 1.9970 1.631 2.225 0.5940 1.9960 2016 1.9870 1.698 2.253 0.5550 1.9860 2017 1.9960 1.646 2.232 0.5860 1.9950 2018 2.0130 1.682 2.255 0.5730 2.0120 2019 1.9850 1.583 2.243 0.6600 1.9840 2020 1.9970 1.767 2.234 0.4670 1.9960 2021 1.9830 1.755 2.239 0.4840 1.9820 2022 2.0200 1.767 2.233 0.4660 2.0190 2023 1.9970 1.741 2.239 0.4980 1.9960 2024 1.9940 1.745 2.227 0.4820 1.9930 2025 2.0000 1.758 2.242 0.4840 1.9990 2026 2.0090 1.618 2.245 0.6270 2.0080 2027 1.9950 1.739 2.245 0.5060 1.9940 2028 2.0050 1.666 2.241 0.5750 2.0040 2029 2.0220 1.581 2.248 0.6670 2.0210 2030 1.9990 1.659 2.271 0.6120 1.9980 2031 1.9890 1.692 2.243 0.5510 1.9880 2032 2.0090 1.731 2.247 0.5160 2.0080 2033 2.0180 1.682 2.246 0.5640 2.0170 2034 2.0270 1.619 2.264 0.6450 2.0260 2035 2.0310 1.715 2.282 0.5670 2.0300 2036 2.0160 1.593 2.249 0.6560 2.0150 2037 2.0280 1.647 2.254 0.6070 2.0270 2038 2.0330 1.579 2.281 0.7020 2.0320 2039 2.0220 1.729 2.261 0.5320 2.0210 2040 2.0130 1.658 2.264 0.6060 2.0120 2041 2.0000 1.700 2.261 0.5610 1.9990 2042 2.0000 1.716 2.250 0.5340 1.9990 2043 2.0300 1.741 2.256 0.5150 2.0290 2044 2.0230 1.792 2.275 0.4830 2.0220 2045 2.0130 1.715 2.264 0.5490 2.0120 2046 2.0720 1.727 2.267 0.5400 2.0710 2047 2.0910 1.641 2.273 0.6320 2.0900 2048 2.0340 1.674 2.265 0.5910 2.0330 2049 2.0530 1.692 2.260 0.5680 2.0520 2050 2.0460 1.731 2.265 0.5340 2.0450