Year Years 1950 40.942 1951 41.057 1952 41.292 1953 41.535 1954 41.787 1955 42.046 1956 42.314 1957 42.591 1958 42.875 1959 43.168 1960 43.47 1961 43.78 1962 44.099 1963 44.427 1964 44.765 1965 45.112 1966 45.469 1967 45.836 1968 46.213 1969 46.6 1970 46.997 1971 47.404 1972 47.819 1973 48.243 1974 48.676 1975 49.118 1976 49.569 1977 50.03 1978 50.5 1979 50.979 1980 51.468 1981 51.967 1982 52.476 1983 52.993 1984 53.52 1985 54.054 1986 54.596 1987 55.147 1988 55.704 1989 56.268 1990 56.838 1991 57.413 1992 57.994 1993 58.579 1994 59.169 1995 59.762 1996 60.359 1997 60.958 1998 61.559 1999 62.162 2000 62.767 2001 63.372 2002 63.978 2003 64.584 2004 65.189 2005 65.796 2006 66.406 2007 67.019 2008 67.632 2009 68.238 2010 68.829 2011 69.394 2012 69.927 2013 70.422 2014 70.878 2015 71.299 2016 71.689 2017 72.058 2018 72.414 2019 72.761 2020 73.101 2021 73.435 2022 73.759 2023 74.072 2024 74.375 2025 74.667 2026 74.95 2027 75.224 2028 75.489 2029 75.747 2030 75.997 2031 76.242 2032 76.48 2033 76.712 2034 76.939 2035 77.161 2036 77.378 2037 77.59 2038 77.797 2039 77.999 2040 78.197 2041 78.39 2042 78.58 2043 78.766 2044 78.949 2045 79.128 2046 79.304 2047 79.477 2048 79.648 2049 79.815 2050 79.98 2051 80.143 2052 80.303 2053 80.46 2054 80.615 2055 80.768 2056 80.919 2057 81.069 2058 81.216 2059 81.363 2060 81.507 2061 81.65 2062 81.79 2063 81.929 2064 82.065 2065 82.2 2066 82.334 2067 82.467 2068 82.6 2069 82.732 2070 82.864 2071 82.995 2072 83.125 2073 83.253 2074 83.38 2075 83.505 2076 83.628 2077 83.751 2078 83.873 2079 83.994 2080 84.114 2081 84.233 2082 84.351 2083 84.468 2084 84.584 2085 84.698 2086 84.812 2087 84.924 2088 85.036 2089 85.148 2090 85.26 2091 85.372 2092 85.484 2093 85.597 2094 85.71 2095 85.823 2096 85.937 2097 86.052 2098 86.167 2099 86.283