Year Years 1950 36.647 1951 37.386 1952 38.796 1953 40.069 1954 41.206 1955 42.209 1956 43.087 1957 43.85 1958 44.521 1959 45.138 1960 45.744 1961 46.383 1962 47.097 1963 47.906 1964 48.807 1965 49.764 1966 50.72 1967 51.61 1968 52.388 1969 53.038 1970 53.564 1971 53.99 1972 54.362 1973 54.719 1974 55.08 1975 55.456 1976 55.846 1977 56.24 1978 56.63 1979 57.016 1980 57.398 1981 57.775 1982 58.148 1983 58.516 1984 58.88 1985 59.24 1986 59.597 1987 59.951 1988 60.303 1989 60.652 1990 60.997 1991 61.338 1992 61.672 1993 62 1994 62.322 1995 62.64 1996 62.955 1997 63.268 1998 63.58 1999 63.892 2000 64.197 2001 64.493 2002 64.775 2003 65.046 2004 65.31 2005 65.579 2006 65.87 2007 66.19 2008 66.541 2009 66.916 2010 67.302 2011 67.677 2012 68.02 2013 68.32 2014 68.571 2015 68.774 2016 68.94 2017 69.086 2018 69.227 2019 69.37 2020 69.519 2021 69.675 2022 69.834 2023 69.992 2024 70.149 2025 70.306 2026 70.461 2027 70.614 2028 70.766 2029 70.915 2030 71.062 2031 71.207 2032 71.349 2033 71.49 2034 71.629 2035 71.768 2036 71.906 2037 72.045 2038 72.184 2039 72.324 2040 72.463 2041 72.602 2042 72.74 2043 72.875 2044 73.008 2045 73.14 2046 73.269 2047 73.398 2048 73.526 2049 73.653 2050 73.781 2051 73.909 2052 74.037 2053 74.166 2054 74.294 2055 74.422 2056 74.55 2057 74.676 2058 74.801 2059 74.925 2060 75.048 2061 75.17 2062 75.29 2063 75.41 2064 75.53 2065 75.65 2066 75.77 2067 75.891 2068 76.012 2069 76.134 2070 76.256 2071 76.378 2072 76.499 2073 76.62 2074 76.739 2075 76.858 2076 76.975 2077 77.092 2078 77.207 2079 77.322 2080 77.436 2081 77.55 2082 77.664 2083 77.779 2084 77.894 2085 78.009 2086 78.125 2087 78.242 2088 78.358 2089 78.475 2090 78.591 2091 78.707 2092 78.822 2093 78.937 2094 79.052 2095 79.167 2096 79.28 2097 79.394 2098 79.507 2099 79.619