Year Years 1950 40.066 1951 40.491 1952 41.337 1953 42.175 1954 43.005 1955 43.828 1956 44.64 1957 45.441 1958 46.224 1959 46.982 1960 47.705 1961 48.383 1962 49.006 1963 49.567 1964 50.065 1965 50.505 1966 50.901 1967 51.262 1968 51.595 1969 51.898 1970 52.153 1971 52.34 1972 52.444 1973 52.464 1974 52.407 1975 52.277 1976 52.081 1977 51.848 1978 51.621 1979 51.44 1980 51.367 1981 51.458 1982 51.739 1983 52.218 1984 52.893 1985 53.753 1986 54.774 1987 55.894 1988 57.05 1989 58.193 1990 59.268 1991 60.233 1992 61.077 1993 61.796 1994 62.385 1995 62.853 1996 63.218 1997 63.519 1998 63.791 1999 64.052 2000 64.319 2001 64.594 2002 64.873 2003 65.151 2004 65.432 2005 65.716 2006 66.007 2007 66.3 2008 66.594 2009 66.887 2010 67.178 2011 67.465 2012 67.746 2013 68.02 2014 68.287 2015 68.547 2016 68.801 2017 69.051 2018 69.299 2019 69.546 2020 69.791 2021 70.036 2022 70.281 2023 70.525 2024 70.768 2025 71.01 2026 71.251 2027 71.49 2028 71.727 2029 71.963 2030 72.198 2031 72.432 2032 72.665 2033 72.898 2034 73.132 2035 73.365 2036 73.599 2037 73.833 2038 74.068 2039 74.302 2040 74.536 2041 74.77 2042 75.003 2043 75.236 2044 75.469 2045 75.701 2046 75.933 2047 76.166 2048 76.398 2049 76.631 2050 76.864 2051 77.096 2052 77.328 2053 77.559 2054 77.788 2055 78.014 2056 78.236 2057 78.454 2058 78.668 2059 78.875 2060 79.077 2061 79.272 2062 79.46 2063 79.642 2064 79.818 2065 79.988 2066 80.154 2067 80.316 2068 80.475 2069 80.63 2070 80.783 2071 80.933 2072 81.08 2073 81.223 2074 81.364 2075 81.501 2076 81.635 2077 81.766 2078 81.894 2079 82.02 2080 82.144 2081 82.268 2082 82.392 2083 82.517 2084 82.641 2085 82.767 2086 82.892 2087 83.017 2088 83.14 2089 83.262 2090 83.383 2091 83.503 2092 83.622 2093 83.74 2094 83.859 2095 83.976 2096 84.094 2097 84.211 2098 84.329 2099 84.446