Year Years 1950 37.824 1951 38.238 1952 39.108 1953 40.064 1954 41.105 1955 42.23 1956 43.439 1957 44.726 1958 46.083 1959 47.496 1960 48.95 1961 50.423 1962 51.891 1963 53.331 1964 54.721 1965 56.043 1966 57.287 1967 58.458 1968 59.559 1969 60.589 1970 61.547 1971 62.437 1972 63.266 1973 64.043 1974 64.771 1975 65.457 1976 66.102 1977 66.709 1978 67.278 1979 67.81 1980 68.305 1981 68.759 1982 69.172 1983 69.543 1984 69.878 1985 70.182 1986 70.46 1987 70.718 1988 70.963 1989 71.201 1990 71.435 1991 71.667 1992 71.895 1993 72.119 1994 72.34 1995 72.56 1996 72.782 1997 73.006 1998 73.229 1999 73.452 2000 73.669 2001 73.877 2002 74.072 2003 74.253 2004 74.42 2005 74.574 2006 74.719 2007 74.857 2008 74.994 2009 75.131 2010 75.268 2011 75.405 2012 75.541 2013 75.674 2014 75.804 2015 75.933 2016 76.061 2017 76.189 2018 76.318 2019 76.448 2020 76.579 2021 76.71 2022 76.843 2023 76.975 2024 77.107 2025 77.239 2026 77.371 2027 77.503 2028 77.636 2029 77.769 2030 77.903 2031 78.037 2032 78.172 2033 78.308 2034 78.444 2035 78.582 2036 78.72 2037 78.86 2038 79 2039 79.141 2040 79.283 2041 79.425 2042 79.568 2043 79.712 2044 79.856 2045 80 2046 80.143 2047 80.286 2048 80.429 2049 80.571 2050 80.714 2051 80.857 2052 81.001 2053 81.146 2054 81.293 2055 81.44 2056 81.588 2057 81.735 2058 81.88 2059 82.025 2060 82.168 2061 82.31 2062 82.452 2063 82.593 2064 82.734 2065 82.874 2066 83.014 2067 83.153 2068 83.29 2069 83.425 2070 83.559 2071 83.689 2072 83.817 2073 83.941 2074 84.063 2075 84.183 2076 84.3 2077 84.416 2078 84.53 2079 84.643 2080 84.756 2081 84.867 2082 84.977 2083 85.085 2084 85.191 2085 85.296 2086 85.399 2087 85.499 2088 85.598 2089 85.695 2090 85.792 2091 85.888 2092 85.984 2093 86.08 2094 86.178 2095 86.277 2096 86.377 2097 86.478 2098 86.58 2099 86.684