Year Years 1950 60.487 1951 60.759 1952 61.285 1953 61.773 1954 62.221 1955 62.631 1956 63.003 1957 63.339 1958 63.642 1959 63.917 1960 64.168 1961 64.403 1962 64.629 1963 64.852 1964 65.074 1965 65.299 1966 65.527 1967 65.753 1968 65.972 1969 66.182 1970 66.376 1971 66.55 1972 66.702 1973 66.833 1974 66.943 1975 67.035 1976 67.112 1977 67.183 1978 67.252 1979 67.328 1980 67.416 1981 67.526 1982 67.656 1983 67.805 1984 67.97 1985 68.142 1986 68.309 1987 68.463 1988 68.598 1989 68.714 1990 68.817 1991 68.917 1992 69.024 1993 69.148 1994 69.286 1995 69.428 1996 69.553 1997 69.653 1998 69.729 1999 69.797 2000 69.891 2001 70.06 2002 70.33 2003 70.713 2004 71.2 2005 71.76 2006 72.347 2007 72.91 2008 73.405 2009 73.813 2010 74.127 2011 74.355 2012 74.527 2013 74.672 2014 74.801 2015 74.924 2016 75.046 2017 75.165 2018 75.283 2019 75.402 2020 75.524 2021 75.65 2022 75.776 2023 75.902 2024 76.026 2025 76.151 2026 76.275 2027 76.4 2028 76.525 2029 76.65 2030 76.776 2031 76.902 2032 77.027 2033 77.152 2034 77.275 2035 77.398 2036 77.52 2037 77.64 2038 77.76 2039 77.879 2040 77.997 2041 78.115 2042 78.232 2043 78.348 2044 78.464 2045 78.58 2046 78.696 2047 78.813 2048 78.93 2049 79.047 2050 79.165 2051 79.283 2052 79.401 2053 79.518 2054 79.635 2055 79.752 2056 79.867 2057 79.983 2058 80.098 2059 80.212 2060 80.326 2061 80.44 2062 80.553 2063 80.665 2064 80.777 2065 80.889 2066 81.002 2067 81.116 2068 81.231 2069 81.348 2070 81.465 2071 81.582 2072 81.699 2073 81.815 2074 81.929 2075 82.042 2076 82.154 2077 82.265 2078 82.376 2079 82.488 2080 82.599 2081 82.711 2082 82.824 2083 82.937 2084 83.05 2085 83.164 2086 83.279 2087 83.393 2088 83.508 2089 83.623 2090 83.737 2091 83.851 2092 83.964 2093 84.075 2094 84.186 2095 84.295 2096 84.402 2097 84.509 2098 84.613 2099 84.717