Year Years 1950 53.419 1951 53.592 1952 53.939 1953 54.284 1954 54.627 1955 54.967 1956 55.305 1957 55.64 1958 55.97 1959 56.294 1960 56.609 1961 56.913 1962 57.203 1963 57.477 1964 57.736 1965 57.984 1966 58.226 1967 58.467 1968 58.704 1969 58.934 1970 59.143 1971 59.313 1972 59.435 1973 59.508 1974 59.539 1975 59.544 1976 59.543 1977 59.558 1978 59.61 1979 59.709 1980 59.865 1981 60.082 1982 60.349 1983 60.649 1984 60.971 1985 61.3 1986 61.617 1987 61.912 1988 62.175 1989 62.404 1990 62.601 1991 62.775 1992 62.94 1993 63.107 1994 63.278 1995 63.452 1996 63.624 1997 63.788 1998 63.936 1999 64.07 2000 64.187 2001 64.29 2002 64.382 2003 64.467 2004 64.55 2005 64.632 2006 64.715 2007 64.802 2008 64.892 2009 64.987 2010 65.089 2011 65.198 2012 65.313 2013 65.433 2014 65.557 2015 65.684 2016 65.812 2017 65.941 2018 66.068 2019 66.195 2020 66.319 2021 66.441 2022 66.562 2023 66.682 2024 66.801 2025 66.92 2026 67.036 2027 67.151 2028 67.263 2029 67.375 2030 67.485 2031 67.595 2032 67.707 2033 67.819 2034 67.934 2035 68.05 2036 68.169 2037 68.288 2038 68.409 2039 68.53 2040 68.652 2041 68.774 2042 68.896 2043 69.019 2044 69.143 2045 69.269 2046 69.396 2047 69.527 2048 69.659 2049 69.794 2050 69.931 2051 70.069 2052 70.206 2053 70.344 2054 70.481 2055 70.617 2056 70.754 2057 70.892 2058 71.031 2059 71.173 2060 71.315 2061 71.46 2062 71.606 2063 71.752 2064 71.9 2065 72.047 2066 72.195 2067 72.344 2068 72.492 2069 72.641 2070 72.791 2071 72.942 2072 73.093 2073 73.247 2074 73.402 2075 73.559 2076 73.717 2077 73.877 2078 74.039 2079 74.203 2080 74.368 2081 74.536 2082 74.705 2083 74.878 2084 75.051 2085 75.227 2086 75.403 2087 75.578 2088 75.754 2089 75.929 2090 76.103 2091 76.278 2092 76.453 2093 76.629 2094 76.806 2095 76.985 2096 77.165 2097 77.347 2098 77.531 2099 77.716