Year Years 1950 58.862 1951 59.124 1952 59.651 1953 60.182 1954 60.718 1955 61.259 1956 61.803 1957 62.349 1958 62.896 1959 63.44 1960 63.976 1961 64.5 1962 65.008 1963 65.496 1964 65.963 1965 66.408 1966 66.835 1967 67.247 1968 67.648 1969 68.041 1970 68.427 1971 68.805 1972 69.175 1973 69.537 1974 69.89 1975 70.235 1976 70.573 1977 70.904 1978 71.228 1979 71.545 1980 71.856 1981 72.16 1982 72.458 1983 72.751 1984 73.037 1985 73.317 1986 73.592 1987 73.862 1988 74.126 1989 74.385 1990 74.639 1991 74.889 1992 75.134 1993 75.374 1994 75.61 1995 75.842 1996 76.069 1997 76.293 1998 76.512 1999 76.727 2000 76.942 2001 77.16 2002 77.381 2003 77.603 2004 77.82 2005 78.018 2006 78.183 2007 78.306 2008 78.386 2009 78.429 2010 78.447 2011 78.46 2012 78.488 2013 78.543 2014 78.633 2015 78.757 2016 78.909 2017 79.074 2018 79.24 2019 79.402 2020 79.557 2021 79.705 2022 79.849 2023 79.992 2024 80.133 2025 80.274 2026 80.414 2027 80.553 2028 80.691 2029 80.828 2030 80.965 2031 81.1 2032 81.233 2033 81.364 2034 81.494 2035 81.623 2036 81.751 2037 81.879 2038 82.007 2039 82.135 2040 82.262 2041 82.389 2042 82.516 2043 82.64 2044 82.764 2045 82.887 2046 83.009 2047 83.131 2048 83.254 2049 83.377 2050 83.5 2051 83.624 2052 83.748 2053 83.872 2054 83.995 2055 84.117 2056 84.239 2057 84.36 2058 84.48 2059 84.6 2060 84.718 2061 84.835 2062 84.952 2063 85.067 2064 85.182 2065 85.296 2066 85.41 2067 85.525 2068 85.64 2069 85.755 2070 85.871 2071 85.986 2072 86.101 2073 86.215 2074 86.328 2075 86.441 2076 86.553 2077 86.665 2078 86.778 2079 86.891 2080 87.004 2081 87.119 2082 87.233 2083 87.348 2084 87.462 2085 87.576 2086 87.69 2087 87.803 2088 87.914 2089 88.025 2090 88.136 2091 88.246 2092 88.356 2093 88.466 2094 88.577 2095 88.688 2096 88.8 2097 88.913 2098 89.026 2099 89.14