Year Years 1950 36.539 1951 36.701 1952 37.034 1953 37.382 1954 37.747 1955 38.128 1956 38.524 1957 38.935 1958 39.359 1959 39.793 1960 40.234 1961 40.679 1962 41.124 1963 41.566 1964 42.005 1965 42.442 1966 42.879 1967 43.319 1968 43.767 1969 44.223 1970 44.693 1971 45.18 1972 45.684 1973 46.201 1974 46.726 1975 47.253 1976 47.778 1977 48.291 1978 48.783 1979 49.245 1980 49.671 1981 50.057 1982 50.403 1983 50.703 1984 50.949 1985 51.127 1986 51.222 1987 51.233 1988 51.159 1989 51.008 1990 50.778 1991 50.466 1992 50.093 1993 49.689 1994 49.289 1995 48.944 1996 48.701 1997 48.588 1998 48.623 1999 48.811 2000 49.149 2001 49.621 2002 50.182 2003 50.788 2004 51.409 2005 52.009 2006 52.563 2007 53.064 2008 53.516 2009 53.918 2010 54.287 2011 54.646 2012 55.025 2013 55.441 2014 55.9 2015 56.398 2016 56.922 2017 57.45 2018 57.965 2019 58.459 2020 58.927 2021 59.369 2022 59.793 2023 60.204 2024 60.605 2025 60.997 2026 61.381 2027 61.758 2028 62.129 2029 62.493 2030 62.851 2031 63.202 2032 63.543 2033 63.876 2034 64.199 2035 64.513 2036 64.82 2037 65.119 2038 65.413 2039 65.702 2040 65.987 2041 66.268 2042 66.545 2043 66.819 2044 67.09 2045 67.36 2046 67.628 2047 67.897 2048 68.165 2049 68.431 2050 68.694 2051 68.952 2052 69.203 2053 69.445 2054 69.679 2055 69.904 2056 70.121 2057 70.332 2058 70.538 2059 70.741 2060 70.942 2061 71.14 2062 71.336 2063 71.531 2064 71.724 2065 71.916 2066 72.107 2067 72.298 2068 72.487 2069 72.675 2070 72.862 2071 73.048 2072 73.232 2073 73.415 2074 73.596 2075 73.773 2076 73.947 2077 74.117 2078 74.282 2079 74.442 2080 74.597 2081 74.746 2082 74.891 2083 75.03 2084 75.166 2085 75.3 2086 75.431 2087 75.56 2088 75.688 2089 75.816 2090 75.943 2091 76.071 2092 76.197 2093 76.324 2094 76.449 2095 76.574 2096 76.697 2097 76.82 2098 76.942 2099 77.062