Year Years 1950 51.293 1951 51.798 1952 52.759 1953 53.624 1954 54.395 1955 55.071 1956 55.658 1957 56.162 1958 56.596 1959 56.981 1960 57.343 1961 57.709 1962 58.105 1963 58.551 1964 59.054 1965 59.607 1966 60.195 1967 60.787 1968 61.358 1969 61.899 1970 62.4 1971 62.863 1972 63.296 1973 63.707 1974 64.099 1975 64.48 1976 64.863 1977 65.248 1978 65.628 1979 65.99 1980 66.298 1981 66.51 1982 66.606 1983 66.584 1984 66.462 1985 66.287 1986 66.125 1987 66.029 1988 66.031 1989 66.132 1990 66.285 1991 66.416 1992 66.461 1993 66.393 1994 66.232 1995 66.048 1996 65.946 1997 66.014 1998 66.3 1999 66.8 2000 67.467 2001 68.217 2002 68.943 2003 69.562 2004 70.038 2005 70.36 2006 70.548 2007 70.66 2008 70.748 2009 70.834 2010 70.934 2011 71.057 2012 71.197 2013 71.351 2014 71.521 2015 71.707 2016 71.906 2017 72.112 2018 72.32 2019 72.527 2020 72.732 2021 72.936 2022 73.138 2023 73.341 2024 73.543 2025 73.746 2026 73.948 2027 74.149 2028 74.35 2029 74.551 2030 74.751 2031 74.95 2032 75.15 2033 75.349 2034 75.549 2035 75.748 2036 75.949 2037 76.15 2038 76.352 2039 76.555 2040 76.758 2041 76.962 2042 77.166 2043 77.37 2044 77.574 2045 77.778 2046 77.983 2047 78.189 2048 78.395 2049 78.602 2050 78.81 2051 79.019 2052 79.228 2053 79.436 2054 79.643 2055 79.849 2056 80.052 2057 80.252 2058 80.45 2059 80.643 2060 80.831 2061 81.015 2062 81.193 2063 81.367 2064 81.536 2065 81.7 2066 81.86 2067 82.017 2068 82.171 2069 82.323 2070 82.471 2071 82.618 2072 82.762 2073 82.903 2074 83.041 2075 83.176 2076 83.308 2077 83.437 2078 83.562 2079 83.685 2080 83.806 2081 83.926 2082 84.044 2083 84.162 2084 84.28 2085 84.398 2086 84.515 2087 84.632 2088 84.748 2089 84.864 2090 84.978 2091 85.092 2092 85.205 2093 85.317 2094 85.428 2095 85.538 2096 85.648 2097 85.757 2098 85.865 2099 85.972