Year Years 1950 58.905 1951 59.115 1952 59.534 1953 59.95 1954 60.364 1955 60.775 1956 61.184 1957 61.592 1958 62 1959 62.409 1960 62.822 1961 63.24 1962 63.664 1963 64.092 1964 64.522 1965 64.953 1966 65.384 1967 65.81 1968 66.22 1969 66.602 1970 66.935 1971 67.198 1972 67.381 1973 67.486 1974 67.52 1975 67.509 1976 67.486 1977 67.479 1978 67.502 1979 67.552 1980 67.606 1981 67.626 1982 67.576 1983 67.436 1984 67.203 1985 66.88 1986 66.476 1987 66.03 1988 65.586 1989 65.18 1990 64.86 1991 64.67 1992 64.627 1993 64.732 1994 64.983 1995 65.37 1996 65.868 1997 66.433 1998 67.015 1999 67.579 2000 68.086 2001 68.501 2002 68.824 2003 69.06 2004 69.214 2005 69.31 2006 69.381 2007 69.463 2008 69.582 2009 69.749 2010 69.961 2011 70.205 2012 70.455 2013 70.689 2014 70.903 2015 71.094 2016 71.265 2017 71.427 2018 71.589 2019 71.752 2020 71.919 2021 72.09 2022 72.264 2023 72.438 2024 72.613 2025 72.788 2026 72.964 2027 73.141 2028 73.317 2029 73.493 2030 73.669 2031 73.845 2032 74.021 2033 74.198 2034 74.375 2035 74.553 2036 74.731 2037 74.91 2038 75.089 2039 75.27 2040 75.451 2041 75.634 2042 75.819 2043 76.005 2044 76.192 2045 76.379 2046 76.566 2047 76.753 2048 76.938 2049 77.123 2050 77.308 2051 77.493 2052 77.679 2053 77.867 2054 78.058 2055 78.251 2056 78.445 2057 78.641 2058 78.838 2059 79.035 2060 79.232 2061 79.427 2062 79.623 2063 79.817 2064 80.009 2065 80.201 2066 80.391 2067 80.581 2068 80.769 2069 80.956 2070 81.139 2071 81.318 2072 81.492 2073 81.66 2074 81.823 2075 81.98 2076 82.133 2077 82.282 2078 82.429 2079 82.575 2080 82.719 2081 82.862 2082 83.002 2083 83.14 2084 83.276 2085 83.409 2086 83.54 2087 83.668 2088 83.793 2089 83.916 2090 84.037 2091 84.156 2092 84.274 2093 84.39 2094 84.506 2095 84.62 2096 84.733 2097 84.845 2098 84.956 2099 85.067