Year Years 1950 60.257 1951 60.154 1952 60.019 1953 60.027 1954 60.178 1955 60.47 1956 60.897 1957 61.448 1958 62.104 1959 62.831 1960 63.591 1961 64.341 1962 65.041 1963 65.661 1964 66.193 1965 66.649 1966 67.062 1967 67.476 1968 67.926 1969 68.423 1970 68.965 1971 69.544 1972 70.132 1973 70.707 1974 71.256 1975 71.772 1976 72.249 1977 72.689 1978 73.095 1979 73.465 1980 73.798 1981 74.094 1982 74.356 1983 74.589 1984 74.795 1985 74.977 1986 75.138 1987 75.28 1988 75.407 1989 75.522 1990 75.631 1991 75.735 1992 75.835 1993 75.933 1994 76.03 1995 76.128 1996 76.226 1997 76.322 1998 76.416 1999 76.508 2000 76.598 2001 76.686 2002 76.772 2003 76.856 2004 76.942 2005 77.03 2006 77.123 2007 77.223 2008 77.329 2009 77.444 2010 77.567 2011 77.699 2012 77.837 2013 77.981 2014 78.129 2015 78.278 2016 78.429 2017 78.58 2018 78.73 2019 78.878 2020 79.024 2021 79.168 2022 79.31 2023 79.451 2024 79.59 2025 79.729 2026 79.867 2027 80.004 2028 80.141 2029 80.276 2030 80.41 2031 80.543 2032 80.673 2033 80.802 2034 80.928 2035 81.053 2036 81.177 2037 81.302 2038 81.426 2039 81.551 2040 81.677 2041 81.802 2042 81.926 2043 82.05 2044 82.171 2045 82.292 2046 82.413 2047 82.533 2048 82.653 2049 82.773 2050 82.892 2051 83.012 2052 83.13 2053 83.247 2054 83.363 2055 83.477 2056 83.591 2057 83.705 2058 83.819 2059 83.933 2060 84.047 2061 84.16 2062 84.273 2063 84.385 2064 84.496 2065 84.607 2066 84.716 2067 84.826 2068 84.936 2069 85.045 2070 85.155 2071 85.265 2072 85.376 2073 85.487 2074 85.597 2075 85.707 2076 85.816 2077 85.924 2078 86.031 2079 86.136 2080 86.241 2081 86.345 2082 86.45 2083 86.556 2084 86.662 2085 86.769 2086 86.877 2087 86.985 2088 87.093 2089 87.2 2090 87.307 2091 87.412 2092 87.518 2093 87.623 2094 87.727 2095 87.831 2096 87.935 2097 88.039 2098 88.142 2099 88.245