Year Years 1950 29.653 1951 29.732 1952 29.898 1953 30.079 1954 30.276 1955 30.488 1956 30.715 1957 30.958 1958 31.217 1959 31.493 1960 31.787 1961 32.098 1962 32.428 1963 32.774 1964 33.136 1965 33.511 1966 33.897 1967 34.292 1968 34.693 1969 35.096 1970 35.503 1971 35.916 1972 36.336 1973 36.756 1974 37.168 1975 37.557 1976 37.909 1977 38.211 1978 38.461 1979 38.659 1980 38.808 1981 38.919 1982 39.009 1983 39.091 1984 39.174 1985 39.255 1986 39.329 1987 39.391 1988 39.446 1989 39.507 1990 39.589 1991 39.707 1992 39.881 1993 40.127 1994 40.462 1995 40.903 1996 41.464 1997 42.141 1998 42.923 1999 43.802 2000 44.767 2001 45.808 2002 46.904 2003 48.031 2004 49.167 2005 50.296 2006 51.412 2007 52.508 2008 53.571 2009 54.581 2010 55.506 2011 56.321 2012 57.016 2013 57.592 2014 58.056 2015 58.423 2016 58.717 2017 58.972 2018 59.213 2019 59.459 2020 59.718 2021 59.992 2022 60.267 2023 60.535 2024 60.795 2025 61.049 2026 61.296 2027 61.538 2028 61.775 2029 62.007 2030 62.235 2031 62.459 2032 62.677 2033 62.891 2034 63.099 2035 63.301 2036 63.498 2037 63.689 2038 63.874 2039 64.053 2040 64.227 2041 64.397 2042 64.563 2043 64.725 2044 64.884 2045 65.041 2046 65.196 2047 65.349 2048 65.5 2049 65.649 2050 65.795 2051 65.939 2052 66.08 2053 66.217 2054 66.351 2055 66.483 2056 66.612 2057 66.739 2058 66.866 2059 66.992 2060 67.118 2061 67.243 2062 67.369 2063 67.494 2064 67.618 2065 67.742 2066 67.865 2067 67.987 2068 68.108 2069 68.228 2070 68.349 2071 68.469 2072 68.592 2073 68.715 2074 68.841 2075 68.968 2076 69.095 2077 69.223 2078 69.351 2079 69.478 2080 69.604 2081 69.73 2082 69.856 2083 69.983 2084 70.111 2085 70.24 2086 70.371 2087 70.504 2088 70.638 2089 70.774 2090 70.911 2091 71.049 2092 71.189 2093 71.328 2094 71.468 2095 71.609 2096 71.749 2097 71.89 2098 72.03 2099 72.171