Year Years 1950 60.438 1951 60.686 1952 61.176 1953 61.658 1954 62.129 1955 62.592 1956 63.045 1957 63.488 1958 63.923 1959 64.348 1960 64.764 1961 65.172 1962 65.57 1963 65.961 1964 66.344 1965 66.719 1966 67.087 1967 67.449 1968 67.804 1969 68.152 1970 68.495 1971 68.831 1972 69.162 1973 69.486 1974 69.804 1975 70.117 1976 70.424 1977 70.726 1978 71.022 1979 71.315 1980 71.604 1981 71.891 1982 72.177 1983 72.459 1984 72.737 1985 73.008 1986 73.269 1987 73.517 1988 73.75 1989 73.964 1990 74.152 1991 74.307 1992 74.431 1993 74.528 1994 74.607 1995 74.683 1996 74.774 1997 74.894 1998 75.05 1999 75.245 2000 75.476 2001 75.733 2002 76.001 2003 76.265 2004 76.517 2005 76.753 2006 76.969 2007 77.171 2008 77.361 2009 77.54 2010 77.709 2011 77.869 2012 78.023 2013 78.173 2014 78.32 2015 78.465 2016 78.609 2017 78.752 2018 78.894 2019 79.034 2020 79.174 2021 79.313 2022 79.452 2023 79.589 2024 79.726 2025 79.862 2026 79.998 2027 80.134 2028 80.269 2029 80.404 2030 80.538 2031 80.671 2032 80.804 2033 80.935 2034 81.064 2035 81.193 2036 81.321 2037 81.448 2038 81.574 2039 81.7 2040 81.826 2041 81.952 2042 82.078 2043 82.205 2044 82.331 2045 82.457 2046 82.583 2047 82.707 2048 82.83 2049 82.952 2050 83.072 2051 83.192 2052 83.312 2053 83.431 2054 83.551 2055 83.671 2056 83.791 2057 83.91 2058 84.029 2059 84.148 2060 84.267 2061 84.384 2062 84.502 2063 84.619 2064 84.735 2065 84.852 2066 84.967 2067 85.082 2068 85.197 2069 85.311 2070 85.425 2071 85.539 2072 85.654 2073 85.768 2074 85.884 2075 85.999 2076 86.116 2077 86.232 2078 86.349 2079 86.465 2080 86.582 2081 86.697 2082 86.812 2083 86.926 2084 87.04 2085 87.152 2086 87.264 2087 87.375 2088 87.486 2089 87.596 2090 87.706 2091 87.816 2092 87.926 2093 88.035 2094 88.145 2095 88.255 2096 88.365 2097 88.475 2098 88.585 2099 88.695