yyyy RcEff RS RH service data 1950 1.8480 1.636 2.061 0.4250 1.8470 1951 1.8670 1.619 2.060 0.4410 1.8660 1952 1.8550 1.633 2.060 0.4270 1.8540 1953 1.8610 1.686 2.059 0.3730 1.8600 1954 1.8750 1.590 2.051 0.4610 1.8740 1955 1.8910 1.697 2.061 0.3640 1.8900 1956 1.8840 1.564 2.054 0.4900 1.8830 1957 1.8870 1.627 2.052 0.4250 1.8860 1958 1.8920 1.553 2.049 0.4960 1.8910 1959 1.8870 1.561 2.047 0.4860 1.8860 1960 1.8890 1.620 2.044 0.4240 1.8880 1961 1.8840 1.571 2.021 0.4500 1.8830 1962 1.8680 1.584 2.035 0.4510 1.8670 1963 1.8720 1.658 2.032 0.3740 1.8710 1964 1.8550 1.636 2.031 0.3950 1.8540 1965 1.8610 1.635 2.023 0.3880 1.8600 1966 1.8370 1.532 2.018 0.4860 1.8360 1967 1.8110 1.631 2.014 0.3830 1.8100 1968 1.8310 1.597 2.011 0.4140 1.8300 1969 1.8020 1.523 2.005 0.4820 1.8010 1970 1.7960 1.541 2.000 0.4590 1.7950 1971 1.8110 1.581 1.995 0.4140 1.8100 1972 1.7900 1.580 1.989 0.4090 1.7890 1973 1.8040 1.616 1.986 0.3700 1.8030 1974 1.7860 1.610 1.977 0.3670 1.7850 1975 1.7870 1.478 1.972 0.4940 1.7860 1976 1.7800 1.641 1.966 0.3250 1.7790 1977 1.7580 1.437 1.960 0.5230 1.7570 1978 1.7680 1.596 1.954 0.3580 1.7670 1979 1.7590 1.467 1.949 0.4820 1.7580 1980 1.7570 1.551 1.943 0.3920 1.7560 1981 1.7480 1.538 1.937 0.3990 1.7470 1982 1.7410 1.396 1.930 0.5340 1.7400 1983 1.7220 1.471 1.927 0.4560 1.7210 1984 1.7070 1.444 1.918 0.4740 1.7060 1985 1.7090 1.541 1.912 0.3710 1.7080 1986 1.7140 1.513 1.910 0.3970 1.7130 1987 1.7140 1.499 1.902 0.4030 1.7130 1988 1.6950 1.541 1.897 0.3560 1.6940 1989 1.7120 1.458 1.892 0.4340 1.7110 1990 1.6940 1.387 1.886 0.4990 1.6930 1991 1.6950 1.496 1.884 0.3880 1.6940 1992 1.6740 1.480 1.875 0.3950 1.6730 1993 1.6830 1.363 1.870 0.5070 1.6820 1994 1.6700 1.517 1.864 0.3470 1.6690 1995 1.6840 1.440 1.859 0.4190 1.6830 1996 1.6600 1.505 1.854 0.3490 1.6590 1997 1.6490 1.434 1.849 0.4150 1.6480 1998 1.6320 1.435 1.843 0.4080 1.6310 1999 1.6290 1.455 1.838 0.3830 1.6280 2000 1.6360 1.501 1.836 0.3350 1.6350 2001 1.6270 1.491 1.831 0.3400 1.6260 2002 1.6250 1.395 1.826 0.4310 1.6240 2003 1.6240 1.480 1.817 0.3370 1.6230 2004 1.6200 1.400 1.812 0.4120 1.6190 2005 1.6350 1.466 1.807 0.3410 1.6340 2006 1.6410 1.321 1.800 0.4790 1.6400 2007 1.6640 1.395 1.796 0.4010 1.6630 2008 1.6390 1.348 1.741 0.3930 1.6380 2009 1.6390 1.400 1.781 0.3810 1.6380 2010 1.6140 1.346 1.774 0.4280 1.6130 2011 1.6020 1.389 1.767 0.3780 1.6010 2012 1.5470 1.358 1.739 0.3810 1.5460 2013 1.5260 1.332 1.757 0.4250 1.5250 2014 1.5200 1.385 1.744 0.3590 1.5190 2015 1.4970 1.313 1.742 0.4290 1.4960 2016 1.4900 1.257 1.728 0.4710 1.4890 2017 1.4900 1.295 1.718 0.4230 1.4890 2018 1.4760 1.308 1.716 0.4080 1.4750 2019 1.4670 1.301 1.706 0.4050 1.4660 2020 1.4540 1.321 1.683 0.3620 1.4530 2021 1.4630 1.279 1.664 0.3850 1.4620 2022 1.4610 1.290 1.660 0.3700 1.4600 2023 1.4540 1.279 1.617 0.3380 1.4530 2024 1.4360 1.258 1.578 0.3200 1.4350 2025 1.4200 1.244 1.571 0.3270 1.4190 2026 1.4170 1.306 1.552 0.2460 1.4160 2027 1.4040 1.243 1.543 0.3000 1.4030 2028 1.4150 1.264 1.540 0.2760 1.4140 2029 1.4070 1.259 1.528 0.2690 1.4060 2030 1.3980 1.196 1.525 0.3290 1.3970 2031 1.3730 1.120 1.501 0.3810 1.3720 2032 1.3730 1.219 1.508 0.2890 1.3720 2033 1.3660 1.241 1.502 0.2610 1.3650 2034 1.3540 1.175 1.497 0.3220 1.3530 2035 1.3470 1.101 1.494 0.3930 1.3460 2036 1.3480 1.138 1.467 0.3290 1.3470 2037 1.3250 1.152 1.480 0.3280 1.3240 2038 1.3200 1.153 1.475 0.3220 1.3190 2039 1.3150 1.142 1.470 0.3280 1.3140 2040 1.3130 1.180 1.465 0.2850 1.3120 2041 1.3090 1.181 1.460 0.2790 1.3080 2042 1.2970 1.033 1.455 0.4220 1.2960 2043 1.2990 1.125 1.450 0.3250 1.2980 2044 1.2760 1.167 1.445 0.2780 1.2750 2045 1.2810 1.184 1.413 0.2290 1.2800 2046 1.2640 1.133 1.438 0.3050 1.2630 2047 1.2650 1.083 1.431 0.3480 1.2640 2048 1.2640 1.136 1.426 0.2900 1.2630 2049 1.2570 1.084 1.399 0.3150 1.2560 2050 1.2490 1.074 1.404 0.3300 1.2480