Year Years 1950 51.007 1951 51.461 1952 52.363 1953 53.254 1954 54.134 1955 55.002 1956 55.86 1957 56.709 1958 57.548 1959 58.382 1960 59.212 1961 60.041 1962 60.871 1963 61.7 1964 62.526 1965 63.345 1966 64.155 1967 64.949 1968 65.719 1969 66.458 1970 67.159 1971 67.814 1972 68.422 1973 68.984 1974 69.499 1975 69.968 1976 70.396 1977 70.789 1978 71.153 1979 71.494 1980 71.813 1981 72.114 1982 72.396 1983 72.66 1984 72.907 1985 73.14 1986 73.359 1987 73.564 1988 73.755 1989 73.934 1990 74.102 1991 74.26 1992 74.407 1993 74.544 1994 74.675 1995 74.799 1996 74.919 1997 75.036 1998 75.15 1999 75.261 2000 75.365 2001 75.459 2002 75.542 2003 75.613 2004 75.679 2005 75.746 2006 75.826 2007 75.925 2008 76.047 2009 76.193 2010 76.36 2011 76.541 2012 76.727 2013 76.909 2014 77.084 2015 77.251 2016 77.411 2017 77.568 2018 77.725 2019 77.884 2020 78.044 2021 78.205 2022 78.367 2023 78.529 2024 78.691 2025 78.853 2026 79.016 2027 79.179 2028 79.344 2029 79.509 2030 79.674 2031 79.84 2032 80.005 2033 80.17 2034 80.335 2035 80.499 2036 80.664 2037 80.829 2038 80.995 2039 81.163 2040 81.33 2041 81.498 2042 81.666 2043 81.834 2044 82 2045 82.165 2046 82.329 2047 82.49 2048 82.649 2049 82.806 2050 82.962 2051 83.116 2052 83.269 2053 83.421 2054 83.572 2055 83.721 2056 83.867 2057 84.01 2058 84.148 2059 84.281 2060 84.41 2061 84.534 2062 84.653 2063 84.77 2064 84.883 2065 84.994 2066 85.103 2067 85.209 2068 85.315 2069 85.419 2070 85.523 2071 85.627 2072 85.73 2073 85.832 2074 85.934 2075 86.036 2076 86.138 2077 86.24 2078 86.341 2079 86.443 2080 86.545 2081 86.647 2082 86.749 2083 86.851 2084 86.953 2085 87.055 2086 87.157 2087 87.259 2088 87.36 2089 87.462 2090 87.564 2091 87.666 2092 87.769 2093 87.872 2094 87.975 2095 88.078 2096 88.182 2097 88.287 2098 88.392 2099 88.498