Year Years 1950 42.707 1951 43.276 1952 44.397 1953 45.48 1954 46.525 1955 47.532 1956 48.501 1957 49.433 1958 50.33 1959 51.192 1960 52.023 1961 52.825 1962 53.602 1963 54.355 1964 55.089 1965 55.803 1966 56.499 1967 57.174 1968 57.829 1969 58.466 1970 59.084 1971 59.685 1972 60.269 1973 60.838 1974 61.393 1975 61.935 1976 62.463 1977 62.978 1978 63.481 1979 63.972 1980 64.451 1981 64.918 1982 65.375 1983 65.82 1984 66.256 1985 66.682 1986 67.099 1987 67.507 1988 67.907 1989 68.299 1990 68.684 1991 69.062 1992 69.433 1993 69.798 1994 70.157 1995 70.509 1996 70.856 1997 71.196 1998 71.531 1999 71.861 2000 72.184 2001 72.502 2002 72.814 2003 73.12 2004 73.423 2005 73.724 2006 74.028 2007 74.336 2008 74.646 2009 74.96 2010 75.272 2011 75.579 2012 75.877 2013 76.164 2014 76.438 2015 76.701 2016 76.957 2017 77.209 2018 77.462 2019 77.715 2020 77.971 2021 78.229 2022 78.489 2023 78.747 2024 79.002 2025 79.251 2026 79.492 2027 79.724 2028 79.946 2029 80.156 2030 80.354 2031 80.541 2032 80.719 2033 80.89 2034 81.054 2035 81.214 2036 81.369 2037 81.521 2038 81.671 2039 81.818 2040 81.964 2041 82.108 2042 82.251 2043 82.391 2044 82.529 2045 82.666 2046 82.801 2047 82.935 2048 83.068 2049 83.2 2050 83.333 2051 83.464 2052 83.596 2053 83.727 2054 83.857 2055 83.987 2056 84.117 2057 84.245 2058 84.373 2059 84.5 2060 84.627 2061 84.753 2062 84.878 2063 85.004 2064 85.13 2065 85.256 2066 85.382 2067 85.508 2068 85.634 2069 85.759 2070 85.883 2071 86.006 2072 86.128 2073 86.249 2074 86.368 2075 86.487 2076 86.605 2077 86.723 2078 86.842 2079 86.961 2080 87.08 2081 87.2 2082 87.319 2083 87.438 2084 87.557 2085 87.675 2086 87.793 2087 87.912 2088 88.031 2089 88.15 2090 88.27 2091 88.39 2092 88.51 2093 88.629 2094 88.748 2095 88.867 2096 88.985 2097 89.102 2098 89.219 2099 89.335