Year Years 1950 47.858 1951 48.309 1952 49.193 1953 50.041 1954 50.853 1955 51.629 1956 52.37 1957 53.077 1958 53.75 1959 54.394 1960 55.01 1961 55.603 1962 56.178 1963 56.738 1964 57.286 1965 57.825 1966 58.356 1967 58.876 1968 59.384 1969 59.882 1970 60.369 1971 60.845 1972 61.31 1973 61.764 1974 62.208 1975 62.641 1976 63.063 1977 63.476 1978 63.878 1979 64.271 1980 64.655 1981 65.031 1982 65.398 1983 65.757 1984 66.108 1985 66.451 1986 66.787 1987 67.115 1988 67.435 1989 67.748 1990 68.054 1991 68.352 1992 68.642 1993 68.926 1994 69.203 1995 69.474 1996 69.739 1997 69.999 1998 70.253 1999 70.502 2000 70.746 2001 70.981 2002 71.209 2003 71.43 2004 71.647 2005 71.862 2006 72.083 2007 72.31 2008 72.545 2009 72.789 2010 73.036 2011 73.282 2012 73.523 2013 73.753 2014 73.972 2015 74.18 2016 74.379 2017 74.573 2018 74.766 2019 74.959 2020 75.154 2021 75.352 2022 75.552 2023 75.753 2024 75.955 2025 76.158 2026 76.362 2027 76.566 2028 76.769 2029 76.972 2030 77.174 2031 77.376 2032 77.579 2033 77.782 2034 77.987 2035 78.192 2036 78.399 2037 78.607 2038 78.816 2039 79.025 2040 79.235 2041 79.446 2042 79.656 2043 79.866 2044 80.075 2045 80.282 2046 80.488 2047 80.691 2048 80.892 2049 81.089 2050 81.283 2051 81.474 2052 81.661 2053 81.844 2054 82.022 2055 82.197 2056 82.366 2057 82.531 2058 82.692 2059 82.848 2060 83 2061 83.148 2062 83.292 2063 83.433 2064 83.571 2065 83.706 2066 83.838 2067 83.967 2068 84.093 2069 84.217 2070 84.34 2071 84.462 2072 84.583 2073 84.705 2074 84.827 2075 84.948 2076 85.069 2077 85.189 2078 85.307 2079 85.423 2080 85.538 2081 85.652 2082 85.765 2083 85.878 2084 85.992 2085 86.105 2086 86.219 2087 86.333 2088 86.448 2089 86.562 2090 86.676 2091 86.79 2092 86.903 2093 87.016 2094 87.129 2095 87.242 2096 87.354 2097 87.465 2098 87.576 2099 87.686