Year Years 1950 56.713 1951 57.007 1952 57.588 1953 58.154 1954 58.706 1955 59.243 1956 59.765 1957 60.272 1958 60.766 1959 61.245 1960 61.709 1961 62.16 1962 62.598 1963 63.022 1964 63.434 1965 63.834 1966 64.221 1967 64.596 1968 64.958 1969 65.31 1970 65.651 1971 65.982 1972 66.303 1973 66.615 1974 66.918 1975 67.214 1976 67.501 1977 67.779 1978 68.05 1979 68.313 1980 68.568 1981 68.816 1982 69.058 1983 69.294 1984 69.524 1985 69.748 1986 69.967 1987 70.18 1988 70.387 1989 70.589 1990 70.784 1991 70.972 1992 71.152 1993 71.327 1994 71.498 1995 71.669 1996 71.846 1997 72.029 1998 72.222 1999 72.426 2000 72.641 2001 72.865 2002 73.096 2003 73.33 2004 73.566 2005 73.805 2006 74.047 2007 74.293 2008 74.541 2009 74.788 2010 75.029 2011 75.257 2012 75.469 2013 75.663 2014 75.838 2015 75.997 2016 76.142 2017 76.28 2018 76.416 2019 76.552 2020 76.69 2021 76.83 2022 76.972 2023 77.113 2024 77.254 2025 77.394 2026 77.533 2027 77.67 2028 77.806 2029 77.94 2030 78.073 2031 78.205 2032 78.337 2033 78.469 2034 78.601 2035 78.732 2036 78.864 2037 78.994 2038 79.123 2039 79.251 2040 79.378 2041 79.504 2042 79.629 2043 79.753 2044 79.877 2045 80.001 2046 80.125 2047 80.249 2048 80.374 2049 80.498 2050 80.622 2051 80.745 2052 80.868 2053 80.988 2054 81.108 2055 81.227 2056 81.345 2057 81.463 2058 81.582 2059 81.701 2060 81.82 2061 81.94 2062 82.06 2063 82.179 2064 82.298 2065 82.417 2066 82.534 2067 82.652 2068 82.769 2069 82.885 2070 83.002 2071 83.117 2072 83.233 2073 83.348 2074 83.462 2075 83.577 2076 83.69 2077 83.803 2078 83.915 2079 84.027 2080 84.139 2081 84.252 2082 84.365 2083 84.48 2084 84.595 2085 84.71 2086 84.826 2087 84.941 2088 85.056 2089 85.17 2090 85.282 2091 85.394 2092 85.505 2093 85.616 2094 85.726 2095 85.836 2096 85.946 2097 86.056 2098 86.165 2099 86.274