Year Years 1950 59.701 1951 60.201 1952 61.175 1953 62.1 1954 62.974 1955 63.799 1956 64.572 1957 65.294 1958 65.962 1959 66.575 1960 67.129 1961 67.625 1962 68.065 1963 68.458 1964 68.817 1965 69.165 1966 69.526 1967 69.917 1968 70.345 1969 70.811 1970 71.306 1971 71.815 1972 72.313 1973 72.779 1974 73.204 1975 73.579 1976 73.902 1977 74.183 1978 74.43 1979 74.647 1980 74.839 1981 75.01 1982 75.164 1983 75.305 1984 75.436 1985 75.556 1986 75.663 1987 75.754 1988 75.827 1989 75.886 1990 75.932 1991 75.969 1992 76.002 1993 76.033 1994 76.066 1995 76.1 1996 76.133 1997 76.164 1998 76.192 1999 76.221 2000 76.257 2001 76.307 2002 76.375 2003 76.465 2004 76.575 2005 76.703 2006 76.845 2007 76.992 2008 77.14 2009 77.285 2010 77.425 2011 77.561 2012 77.695 2013 77.83 2014 77.965 2015 78.1 2016 78.236 2017 78.373 2018 78.509 2019 78.644 2020 78.779 2021 78.912 2022 79.044 2023 79.174 2024 79.302 2025 79.429 2026 79.555 2027 79.68 2028 79.804 2029 79.929 2030 80.053 2031 80.176 2032 80.299 2033 80.422 2034 80.543 2035 80.664 2036 80.783 2037 80.901 2038 81.017 2039 81.133 2040 81.247 2041 81.361 2042 81.475 2043 81.588 2044 81.702 2045 81.816 2046 81.93 2047 82.044 2048 82.157 2049 82.27 2050 82.382 2051 82.494 2052 82.604 2053 82.714 2054 82.823 2055 82.932 2056 83.04 2057 83.147 2058 83.255 2059 83.363 2060 83.471 2061 83.579 2062 83.686 2063 83.793 2064 83.9 2065 84.007 2066 84.112 2067 84.217 2068 84.322 2069 84.427 2070 84.531 2071 84.635 2072 84.739 2073 84.843 2074 84.948 2075 85.052 2076 85.155 2077 85.258 2078 85.359 2079 85.46 2080 85.561 2081 85.661 2082 85.761 2083 85.862 2084 85.963 2085 86.064 2086 86.167 2087 86.269 2088 86.372 2089 86.474 2090 86.577 2091 86.678 2092 86.78 2093 86.88 2094 86.98 2095 87.078 2096 87.176 2097 87.273 2098 87.369 2099 87.464