Year Years 1950 44.218 1951 44.417 1952 44.829 1953 45.269 1954 45.736 1955 46.231 1956 46.751 1957 47.295 1958 47.857 1959 48.43 1960 49.006 1961 49.575 1962 50.129 1963 50.666 1964 51.185 1965 51.698 1966 52.219 1967 52.761 1968 53.333 1969 53.935 1970 54.567 1971 55.232 1972 55.912 1973 56.584 1974 57.228 1975 57.804 1976 58.274 1977 58.623 1978 58.849 1979 58.96 1980 58.983 1981 58.958 1982 58.929 1983 58.932 1984 58.987 1985 59.099 1986 59.26 1987 59.444 1988 59.631 1989 59.814 1990 59.989 1991 60.156 1992 60.319 1993 60.481 1994 60.643 1995 60.801 1996 60.951 1997 61.096 1998 61.236 1999 61.378 2000 61.534 2001 61.72 2002 61.942 2003 62.199 2004 62.486 2005 62.786 2006 63.078 2007 63.342 2008 63.564 2009 63.74 2010 63.873 2011 63.973 2012 64.058 2013 64.145 2014 64.239 2015 64.343 2016 64.458 2017 64.578 2018 64.697 2019 64.814 2020 64.93 2021 65.044 2022 65.155 2023 65.264 2024 65.371 2025 65.476 2026 65.58 2027 65.681 2028 65.782 2029 65.881 2030 65.979 2031 66.076 2032 66.173 2033 66.268 2034 66.363 2035 66.457 2036 66.551 2037 66.645 2038 66.738 2039 66.831 2040 66.923 2041 67.014 2042 67.104 2043 67.193 2044 67.281 2045 67.367 2046 67.454 2047 67.54 2048 67.626 2049 67.712 2050 67.798 2051 67.883 2052 67.966 2053 68.047 2054 68.126 2055 68.205 2056 68.283 2057 68.362 2058 68.443 2059 68.525 2060 68.61 2061 68.696 2062 68.784 2063 68.873 2064 68.964 2065 69.055 2066 69.148 2067 69.242 2068 69.338 2069 69.434 2070 69.532 2071 69.63 2072 69.728 2073 69.827 2074 69.927 2075 70.027 2076 70.128 2077 70.229 2078 70.332 2079 70.437 2080 70.542 2081 70.647 2082 70.754 2083 70.86 2084 70.967 2085 71.074 2086 71.183 2087 71.294 2088 71.407 2089 71.523 2090 71.641 2091 71.762 2092 71.885 2093 72.011 2094 72.138 2095 72.267 2096 72.398 2097 72.531 2098 72.666 2099 72.802