Year Years 1950 58.727 1951 59.605 1952 61.295 1953 62.857 1954 64.291 1955 65.597 1956 66.775 1957 67.827 1958 68.753 1959 69.557 1960 70.243 1961 70.817 1962 71.288 1963 71.67 1964 71.976 1965 72.219 1966 72.411 1967 72.558 1968 72.669 1969 72.755 1970 72.822 1971 72.87 1972 72.898 1973 72.906 1974 72.901 1975 72.887 1976 72.867 1977 72.845 1978 72.827 1979 72.82 1980 72.84 1981 72.904 1982 73.014 1983 73.163 1984 73.337 1985 73.506 1986 73.636 1987 73.701 1988 73.685 1989 73.587 1990 73.419 1991 73.206 1992 72.981 1993 72.773 1994 72.597 1995 72.453 1996 72.331 1997 72.218 1998 72.108 1999 72.012 2000 71.946 2001 71.933 2002 71.99 2003 72.127 2004 72.345 2005 72.646 2006 73.025 2007 73.46 2008 73.927 2009 74.404 2010 74.866 2011 75.289 2012 75.664 2013 75.984 2014 76.245 2015 76.451 2016 76.613 2017 76.751 2018 76.882 2019 77.015 2020 77.154 2021 77.301 2022 77.45 2023 77.598 2024 77.744 2025 77.888 2026 78.03 2027 78.17 2028 78.307 2029 78.443 2030 78.576 2031 78.707 2032 78.838 2033 78.968 2034 79.098 2035 79.228 2036 79.357 2037 79.487 2038 79.615 2039 79.743 2040 79.87 2041 79.995 2042 80.118 2043 80.239 2044 80.359 2045 80.478 2046 80.596 2047 80.714 2048 80.832 2049 80.95 2050 81.067 2051 81.185 2052 81.301 2053 81.416 2054 81.53 2055 81.643 2056 81.755 2057 81.865 2058 81.975 2059 82.085 2060 82.195 2061 82.306 2062 82.417 2063 82.528 2064 82.64 2065 82.752 2066 82.863 2067 82.973 2068 83.083 2069 83.19 2070 83.297 2071 83.403 2072 83.509 2073 83.614 2074 83.719 2075 83.825 2076 83.931 2077 84.037 2078 84.143 2079 84.249 2080 84.355 2081 84.461 2082 84.567 2083 84.674 2084 84.78 2085 84.886 2086 84.992 2087 85.097 2088 85.202 2089 85.307 2090 85.411 2091 85.515 2092 85.619 2093 85.722 2094 85.826 2095 85.93 2096 86.034 2097 86.138 2098 86.242 2099 86.346