Year Years 1950 46.401 1951 47.397 1952 49.293 1953 50.996 1954 52.506 1955 53.825 1956 54.956 1957 55.909 1958 56.698 1959 57.347 1960 57.888 1961 58.354 1962 58.781 1963 59.202 1964 59.636 1965 60.087 1966 60.547 1967 60.992 1968 61.405 1969 61.788 1970 62.139 1971 62.459 1972 62.759 1973 63.058 1974 63.374 1975 63.743 1976 64.203 1977 64.766 1978 65.429 1979 66.176 1980 66.971 1981 67.767 1982 68.513 1983 69.171 1984 69.72 1985 70.145 1986 70.446 1987 70.656 1988 70.813 1989 70.946 1990 71.092 1991 71.293 1992 71.568 1993 71.924 1994 72.363 1995 72.866 1996 73.406 1997 73.941 1998 74.441 1999 74.891 2000 75.285 2001 75.628 2002 75.94 2003 76.238 2004 76.524 2005 76.802 2006 77.073 2007 77.332 2008 77.58 2009 77.815 2010 78.04 2011 78.253 2012 78.457 2013 78.652 2014 78.84 2015 79.022 2016 79.199 2017 79.372 2018 79.541 2019 79.708 2020 79.874 2021 80.039 2022 80.201 2023 80.363 2024 80.522 2025 80.681 2026 80.838 2027 80.994 2028 81.149 2029 81.302 2030 81.455 2031 81.606 2032 81.756 2033 81.905 2034 82.052 2035 82.199 2036 82.345 2037 82.489 2038 82.633 2039 82.777 2040 82.919 2041 83.06 2042 83.201 2043 83.34 2044 83.477 2045 83.614 2046 83.749 2047 83.884 2048 84.017 2049 84.15 2050 84.282 2051 84.414 2052 84.545 2053 84.676 2054 84.806 2055 84.936 2056 85.066 2057 85.197 2058 85.327 2059 85.458 2060 85.588 2061 85.717 2062 85.845 2063 85.971 2064 86.095 2065 86.218 2066 86.34 2067 86.461 2068 86.582 2069 86.703 2070 86.824 2071 86.947 2072 87.07 2073 87.193 2074 87.317 2075 87.441 2076 87.564 2077 87.688 2078 87.81 2079 87.932 2080 88.052 2081 88.172 2082 88.291 2083 88.409 2084 88.527 2085 88.645 2086 88.764 2087 88.883 2088 89.002 2089 89.122 2090 89.242 2091 89.361 2092 89.48 2093 89.598 2094 89.715 2095 89.83 2096 89.944 2097 90.056 2098 90.166 2099 90.275