Year Years 1950 54.356 1951 54.604 1952 55.1 1953 55.597 1954 56.097 1955 56.599 1956 57.103 1957 57.608 1958 58.114 1959 58.618 1960 59.12 1961 59.617 1962 60.107 1963 60.587 1964 61.056 1965 61.514 1966 61.96 1967 62.395 1968 62.82 1969 63.235 1970 63.64 1971 64.035 1972 64.42 1973 64.795 1974 65.16 1975 65.515 1976 65.859 1977 66.192 1978 66.515 1979 66.828 1980 67.132 1981 67.428 1982 67.717 1983 68 1984 68.277 1985 68.548 1986 68.81 1987 69.063 1988 69.308 1989 69.548 1990 69.788 1991 70.032 1992 70.283 1993 70.546 1994 70.822 1995 71.114 1996 71.426 1997 71.754 1998 72.094 1999 72.438 2000 72.778 2001 73.1 2002 73.398 2003 73.67 2004 73.918 2005 74.154 2006 74.391 2007 74.643 2008 74.92 2009 75.22 2010 75.537 2011 75.859 2012 76.17 2013 76.459 2014 76.723 2015 76.963 2016 77.181 2017 77.389 2018 77.596 2019 77.803 2020 78.015 2021 78.233 2022 78.453 2023 78.674 2024 78.897 2025 79.12 2026 79.344 2027 79.567 2028 79.788 2029 80.009 2030 80.229 2031 80.448 2032 80.668 2033 80.888 2034 81.107 2035 81.324 2036 81.538 2037 81.746 2038 81.948 2039 82.143 2040 82.33 2041 82.508 2042 82.68 2043 82.844 2044 83.004 2045 83.158 2046 83.307 2047 83.453 2048 83.596 2049 83.736 2050 83.874 2051 84.01 2052 84.145 2053 84.278 2054 84.41 2055 84.54 2056 84.669 2057 84.798 2058 84.925 2059 85.052 2060 85.178 2061 85.304 2062 85.428 2063 85.552 2064 85.675 2065 85.797 2066 85.919 2067 86.04 2068 86.16 2069 86.28 2070 86.4 2071 86.52 2072 86.641 2073 86.762 2074 86.884 2075 87.006 2076 87.127 2077 87.248 2078 87.368 2079 87.487 2080 87.606 2081 87.724 2082 87.843 2083 87.962 2084 88.081 2085 88.201 2086 88.32 2087 88.439 2088 88.557 2089 88.674 2090 88.791 2091 88.907 2092 89.023 2093 89.139 2094 89.256 2095 89.373 2096 89.491 2097 89.61 2098 89.729 2099 89.849