Year | Value | 2022 | 47,689,118 | 2021 | 46,831,955 | 2020 | 45,976,808 | 2019 | 45,130,858 | 2018 | 44,301,456 | 2017 | 43,469,157 | 2016 | 42,639,712 | 2015 | 41,811,127 | 2014 | 40,950,796 | 2013 | 40,052,578 | 2012 | 39,184,092 | 2011 | 38,356,023 | 2010 | 37,535,116 | 2009 | 36,798,803 | 2008 | 36,101,887 | 2007 | 35,418,195 | 2006 | 34,729,618 | 2005 | 34,023,734 | 2004 | 33,319,914 | 2003 | 32,614,852 | 2002 | 31,906,739 | 2001 | 31,212,951 | 2000 | 30,544,806 | 1999 | 29,885,622 | 1998 | 29,229,185 | 1997 | 28,578,184 | 1996 | 27,983,881 | 1995 | 27,472,420 | 1994 | 26,959,715 | 1993 | 26,442,838 | 1992 | 25,922,508 | 1991 | 25,404,952 | 1990 | 24,875,777 | 1989 | 24,320,042 | 1988 | 23,752,312 | 1987 | 23,185,186 | 1986 | 22,603,043 | 1985 | 21,984,749 | 1984 | 21,379,667 | 1983 | 20,791,100 | 1982 | 20,228,307 | 1981 | 19,699,239 | 1980 | 19,187,242 | 1979 | 18,690,922 | 1978 | 18,221,376 | 1977 | 17,776,940 | 1976 | 17,309,189 | 1975 | 16,786,338 | 1974 | 16,281,992 | 1973 | 15,799,716 | 1972 | 15,331,584 | 1971 | 14,875,906 | 1970 | 14,426,524 | 1969 | 13,978,117 | 1968 | 13,533,543 | 1967 | 13,092,675 | 1966 | 12,658,530 | 1965 | 12,230,618 | 1964 | 11,809,781 | 1963 | 11,399,188 | 1962 | 11,002,055 | 1961 | 10,619,664 | 1960 | 10,236,343 |
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