Year Years 1950 59.861 1951 60.069 1952 60.485 1953 60.898 1954 61.31 1955 61.719 1956 62.128 1957 62.535 1958 62.942 1959 63.351 1960 63.761 1961 64.175 1962 64.593 1963 65.013 1964 65.431 1965 65.845 1966 66.249 1967 66.637 1968 67.007 1969 67.355 1970 67.675 1971 67.964 1972 68.224 1973 68.46 1974 68.68 1975 68.895 1976 69.117 1977 69.355 1978 69.614 1979 69.896 1980 70.207 1981 70.55 1982 70.914 1983 71.277 1984 71.617 1985 71.892 1986 72.062 1987 72.106 1988 72.016 1989 71.798 1990 71.466 1991 71.044 1992 70.579 1993 70.12 1994 69.704 1995 69.373 1996 69.16 1997 69.068 1998 69.093 1999 69.23 2000 69.464 2001 69.768 2002 70.107 2003 70.452 2004 70.789 2005 71.116 2006 71.443 2007 71.786 2008 72.152 2009 72.536 2010 72.924 2011 73.298 2012 73.643 2013 73.95 2014 74.215 2015 74.439 2016 74.632 2017 74.807 2018 74.978 2019 75.149 2020 75.324 2021 75.503 2022 75.682 2023 75.857 2024 76.029 2025 76.199 2026 76.366 2027 76.531 2028 76.695 2029 76.858 2030 77.02 2031 77.181 2032 77.341 2033 77.5 2034 77.658 2035 77.815 2036 77.97 2037 78.125 2038 78.278 2039 78.431 2040 78.581 2041 78.73 2042 78.877 2043 79.022 2044 79.165 2045 79.305 2046 79.445 2047 79.583 2048 79.719 2049 79.856 2050 79.992 2051 80.128 2052 80.265 2053 80.401 2054 80.538 2055 80.674 2056 80.809 2057 80.941 2058 81.072 2059 81.201 2060 81.328 2061 81.454 2062 81.58 2063 81.707 2064 81.834 2065 81.961 2066 82.088 2067 82.216 2068 82.342 2069 82.468 2070 82.592 2071 82.716 2072 82.839 2073 82.962 2074 83.084 2075 83.206 2076 83.328 2077 83.45 2078 83.573 2079 83.695 2080 83.817 2081 83.938 2082 84.059 2083 84.177 2084 84.295 2085 84.412 2086 84.528 2087 84.644 2088 84.761 2089 84.878 2090 84.996 2091 85.114 2092 85.231 2093 85.348 2094 85.464 2095 85.579 2096 85.692 2097 85.805 2098 85.917 2099 86.027