Year Years 1950 45.602 1951 46.035 1952 46.894 1953 47.742 1954 48.58 1955 49.406 1956 50.221 1957 51.025 1958 51.818 1959 52.599 1960 53.367 1961 54.122 1962 54.864 1963 55.591 1964 56.304 1965 57.003 1966 57.692 1967 58.371 1968 59.038 1969 59.689 1970 60.317 1971 60.915 1972 61.476 1973 62.001 1974 62.489 1975 62.944 1976 63.369 1977 63.773 1978 64.17 1979 64.568 1980 64.981 1981 65.419 1982 65.886 1983 66.384 1984 66.914 1985 67.476 1986 68.073 1987 68.694 1988 69.322 1989 69.944 1990 70.537 1991 71.08 1992 71.562 1993 71.978 1994 72.328 1995 72.618 1996 72.863 1997 73.085 1998 73.302 1999 73.523 2000 73.753 2001 73.992 2002 74.231 2003 74.466 2004 74.695 2005 74.918 2006 75.136 2007 75.348 2008 75.557 2009 75.762 2010 75.963 2011 76.161 2012 76.357 2013 76.551 2014 76.742 2015 76.93 2016 77.117 2017 77.3 2018 77.481 2019 77.659 2020 77.835 2021 78.007 2022 78.178 2023 78.346 2024 78.513 2025 78.677 2026 78.84 2027 79.002 2028 79.162 2029 79.32 2030 79.476 2031 79.631 2032 79.785 2033 79.936 2034 80.086 2035 80.235 2036 80.383 2037 80.53 2038 80.676 2039 80.821 2040 80.966 2041 81.108 2042 81.249 2043 81.387 2044 81.524 2045 81.659 2046 81.793 2047 81.927 2048 82.06 2049 82.194 2050 82.327 2051 82.46 2052 82.593 2053 82.723 2054 82.853 2055 82.982 2056 83.11 2057 83.24 2058 83.369 2059 83.499 2060 83.629 2061 83.757 2062 83.884 2063 84.008 2064 84.129 2065 84.249 2066 84.367 2067 84.485 2068 84.603 2069 84.721 2070 84.84 2071 84.96 2072 85.08 2073 85.199 2074 85.318 2075 85.437 2076 85.554 2077 85.671 2078 85.788 2079 85.905 2080 86.021 2081 86.137 2082 86.253 2083 86.369 2084 86.485 2085 86.601 2086 86.716 2087 86.831 2088 86.946 2089 87.06 2090 87.174 2091 87.288 2092 87.403 2093 87.518 2094 87.635 2095 87.752 2096 87.87 2097 87.989 2098 88.109 2099 88.231