Year Years 1950 26.867 1951 27.138 1952 27.675 1953 28.201 1954 28.716 1955 29.22 1956 29.712 1957 30.194 1958 30.665 1959 31.127 1960 31.58 1961 32.026 1962 32.466 1963 32.903 1964 33.338 1965 33.771 1966 34.204 1967 34.636 1968 35.069 1969 35.505 1970 35.946 1971 36.392 1972 36.847 1973 37.312 1974 37.791 1975 38.287 1976 38.801 1977 39.334 1978 39.89 1979 40.471 1980 41.085 1981 41.738 1982 42.432 1983 43.164 1984 43.93 1985 44.728 1986 45.554 1987 46.399 1988 47.249 1989 48.086 1990 48.89 1991 49.638 1992 50.323 1993 50.941 1994 51.497 1995 51.999 1996 52.465 1997 52.918 1998 53.379 1999 53.861 2000 54.376 2001 54.929 2002 55.515 2003 56.121 2004 56.74 2005 57.359 2006 57.964 2007 58.543 2008 59.086 2009 59.589 2010 60.054 2011 60.484 2012 60.892 2013 61.286 2014 61.67 2015 62.046 2016 62.412 2017 62.764 2018 63.101 2019 63.423 2020 63.731 2021 64.025 2022 64.307 2023 64.578 2024 64.839 2025 65.09 2026 65.331 2027 65.562 2028 65.783 2029 65.995 2030 66.199 2031 66.396 2032 66.586 2033 66.772 2034 66.953 2035 67.13 2036 67.303 2037 67.47 2038 67.632 2039 67.789 2040 67.942 2041 68.089 2042 68.233 2043 68.373 2044 68.511 2045 68.645 2046 68.778 2047 68.908 2048 69.035 2049 69.161 2050 69.286 2051 69.409 2052 69.531 2053 69.653 2054 69.773 2055 69.893 2056 70.012 2057 70.131 2058 70.248 2059 70.365 2060 70.481 2061 70.597 2062 70.712 2063 70.829 2064 70.945 2065 71.063 2066 71.181 2067 71.301 2068 71.421 2069 71.543 2070 71.664 2071 71.785 2072 71.906 2073 72.026 2074 72.146 2075 72.266 2076 72.387 2077 72.511 2078 72.637 2079 72.765 2080 72.895 2081 73.027 2082 73.16 2083 73.292 2084 73.424 2085 73.557 2086 73.689 2087 73.823 2088 73.958 2089 74.095 2090 74.234 2091 74.374 2092 74.517 2093 74.661 2094 74.807 2095 74.954 2096 75.103 2097 75.253 2098 75.405 2099 75.558