Year Years 1950 60.135 1951 60.421 1952 60.993 1953 61.566 1954 62.139 1955 62.713 1956 63.288 1957 63.864 1958 64.444 1959 65.028 1960 65.62 1961 66.22 1962 66.83 1963 67.447 1964 68.069 1965 68.688 1966 69.298 1967 69.892 1968 70.464 1969 71.012 1970 71.538 1971 72.046 1972 72.541 1973 73.024 1974 73.492 1975 73.936 1976 74.348 1977 74.719 1978 75.046 1979 75.326 1980 75.564 1981 75.764 1982 75.935 1983 76.087 1984 76.222 1985 76.338 1986 76.428 1987 76.489 1988 76.527 1989 76.551 1990 76.584 1991 76.651 1992 76.765 1993 76.936 1994 77.16 1995 77.425 1996 77.707 1997 77.98 1998 78.227 1999 78.447 2000 78.648 2001 78.851 2002 79.078 2003 79.34 2004 79.632 2005 79.942 2006 80.245 2007 80.52 2008 80.75 2009 80.932 2010 81.072 2011 81.181 2012 81.279 2013 81.384 2014 81.502 2015 81.635 2016 81.782 2017 81.934 2018 82.085 2019 82.234 2020 82.379 2021 82.521 2022 82.662 2023 82.802 2024 82.941 2025 83.079 2026 83.216 2027 83.353 2028 83.488 2029 83.621 2030 83.754 2031 83.885 2032 84.016 2033 84.145 2034 84.274 2035 84.402 2036 84.53 2037 84.658 2038 84.785 2039 84.912 2040 85.038 2041 85.163 2042 85.287 2043 85.41 2044 85.532 2045 85.652 2046 85.772 2047 85.892 2048 86.011 2049 86.131 2050 86.251 2051 86.371 2052 86.491 2053 86.61 2054 86.729 2055 86.847 2056 86.965 2057 87.081 2058 87.196 2059 87.311 2060 87.425 2061 87.54 2062 87.655 2063 87.771 2064 87.888 2065 88.005 2066 88.122 2067 88.239 2068 88.356 2069 88.471 2070 88.586 2071 88.7 2072 88.815 2073 88.93 2074 89.046 2075 89.162 2076 89.277 2077 89.391 2078 89.504 2079 89.616 2080 89.727 2081 89.837 2082 89.947 2083 90.058 2084 90.169 2085 90.28 2086 90.392 2087 90.503 2088 90.615 2089 90.725 2090 90.836 2091 90.946 2092 91.056 2093 91.165 2094 91.275 2095 91.385 2096 91.495 2097 91.605 2098 91.715 2099 91.825