Year Years 1950 59.797 1951 60.188 1952 60.937 1953 61.621 1954 62.239 1955 62.791 1956 63.28 1957 63.709 1958 64.082 1959 64.408 1960 64.699 1961 64.967 1962 65.225 1963 65.485 1964 65.755 1965 66.041 1966 66.34 1967 66.646 1968 66.952 1969 67.257 1970 67.559 1971 67.857 1972 68.151 1973 68.439 1974 68.721 1975 68.993 1976 69.252 1977 69.497 1978 69.729 1979 69.95 1980 70.165 1981 70.379 1982 70.596 1983 70.82 1984 71.051 1985 71.289 1986 71.529 1987 71.768 1988 72.001 1989 72.228 1990 72.45 1991 72.67 1992 72.889 1993 73.109 1994 73.329 1995 73.547 1996 73.76 1997 73.964 1998 74.156 1999 74.336 2000 74.502 2001 74.652 2002 74.788 2003 74.916 2004 75.04 2005 75.169 2006 75.311 2007 75.472 2008 75.653 2009 75.856 2010 76.075 2011 76.304 2012 76.535 2013 76.759 2014 76.974 2015 77.18 2016 77.377 2017 77.572 2018 77.767 2019 77.964 2020 78.163 2021 78.365 2022 78.567 2023 78.769 2024 78.971 2025 79.173 2026 79.376 2027 79.579 2028 79.784 2029 79.989 2030 80.195 2031 80.401 2032 80.609 2033 80.816 2034 81.023 2035 81.228 2036 81.432 2037 81.633 2038 81.83 2039 82.024 2040 82.213 2041 82.396 2042 82.574 2043 82.746 2044 82.913 2045 83.074 2046 83.229 2047 83.38 2048 83.526 2049 83.669 2050 83.808 2051 83.944 2052 84.077 2053 84.207 2054 84.336 2055 84.462 2056 84.587 2057 84.711 2058 84.833 2059 84.954 2060 85.074 2061 85.193 2062 85.311 2063 85.428 2064 85.545 2065 85.661 2066 85.777 2067 85.893 2068 86.01 2069 86.127 2070 86.245 2071 86.363 2072 86.481 2073 86.598 2074 86.715 2075 86.831 2076 86.947 2077 87.062 2078 87.177 2079 87.291 2080 87.405 2081 87.519 2082 87.634 2083 87.748 2084 87.864 2085 87.979 2086 88.095 2087 88.212 2088 88.328 2089 88.445 2090 88.561 2091 88.677 2092 88.792 2093 88.907 2094 89.022 2095 89.137 2096 89.25 2097 89.364 2098 89.477 2099 89.589