Year Years 1950 37.253 1951 37.428 1952 37.803 1953 38.225 1954 38.696 1955 39.214 1956 39.781 1957 40.394 1958 41.05 1959 41.748 1960 42.481 1961 43.244 1962 44.025 1963 44.815 1964 45.599 1965 46.361 1966 47.085 1967 47.768 1968 48.409 1969 49.009 1970 49.578 1971 50.129 1972 50.68 1973 51.241 1974 51.82 1975 52.414 1976 53.02 1977 53.626 1978 54.225 1979 54.815 1980 55.395 1981 55.971 1982 56.545 1983 57.119 1984 57.691 1985 58.252 1986 58.793 1987 59.308 1988 59.796 1989 60.263 1990 60.716 1991 61.167 1992 61.629 1993 62.114 1994 62.628 1995 63.179 1996 63.775 1997 64.407 1998 65.063 1999 65.731 2000 66.393 2001 67.028 2002 67.621 2003 68.162 2004 68.645 2005 69.073 2006 69.454 2007 69.803 2008 70.136 2009 70.459 2010 70.776 2011 71.086 2012 71.388 2013 71.678 2014 71.958 2015 72.231 2016 72.498 2017 72.76 2018 73.02 2019 73.277 2020 73.534 2021 73.79 2022 74.044 2023 74.296 2024 74.546 2025 74.795 2026 75.043 2027 75.29 2028 75.537 2029 75.783 2030 76.029 2031 76.274 2032 76.517 2033 76.759 2034 76.999 2035 77.238 2036 77.477 2037 77.715 2038 77.953 2039 78.191 2040 78.429 2041 78.667 2042 78.903 2043 79.137 2044 79.37 2045 79.6 2046 79.828 2047 80.054 2048 80.278 2049 80.499 2050 80.715 2051 80.926 2052 81.129 2053 81.325 2054 81.513 2055 81.693 2056 81.867 2057 82.034 2058 82.196 2059 82.355 2060 82.51 2061 82.661 2062 82.81 2063 82.956 2064 83.099 2065 83.24 2066 83.378 2067 83.514 2068 83.649 2069 83.781 2070 83.911 2071 84.041 2072 84.168 2073 84.295 2074 84.42 2075 84.544 2076 84.667 2077 84.789 2078 84.911 2079 85.031 2080 85.152 2081 85.272 2082 85.392 2083 85.513 2084 85.633 2085 85.753 2086 85.872 2087 85.989 2088 86.104 2089 86.218 2090 86.331 2091 86.443 2092 86.556 2093 86.669 2094 86.784 2095 86.9 2096 87.018 2097 87.138 2098 87.259 2099 87.383