Year | Value | 2022 | 8,027,352 | 2021 | 7,784,443 | 2020 | 7,540,269 | 2019 | 7,299,085 | 2018 | 7,046,380 | 2017 | 6,792,159 | 2016 | 6,560,798 | 2015 | 6,349,819 | 2014 | 6,141,188 | 2013 | 5,932,819 | 2012 | 5,728,101 | 2011 | 5,520,314 | 2010 | 5,302,601 | 2009 | 5,083,133 | 2008 | 4,858,660 | 2007 | 4,627,229 | 2006 | 4,394,896 | 2005 | 4,164,445 | 2004 | 3,933,669 | 2003 | 3,715,343 | 2002 | 3,527,524 | 2001 | 3,366,985 | 2000 | 3,236,214 | 1999 | 3,139,575 | 1998 | 3,074,328 | 1997 | 3,024,970 | 1996 | 2,980,812 | 1995 | 2,950,422 | 1994 | 2,927,974 | 1993 | 2,903,143 | 1992 | 2,870,025 | 1991 | 2,824,395 | 1990 | 2,769,621 | 1989 | 2,708,196 | 1988 | 2,641,014 | 1987 | 2,569,334 | 1986 | 2,496,907 | 1985 | 2,428,861 | 1984 | 2,364,809 | 1983 | 2,303,800 | 1982 | 2,246,642 | 1981 | 2,180,499 | 1980 | 2,107,494 | 1979 | 2,036,213 | 1978 | 1,964,761 | 1977 | 1,892,202 | 1976 | 1,814,124 | 1975 | 1,741,891 | 1974 | 1,688,766 | 1973 | 1,651,230 | 1972 | 1,622,164 | 1971 | 1,597,074 | 1970 | 1,572,862 | 1969 | 1,550,303 | 1968 | 1,530,232 | 1967 | 1,510,982 | 1966 | 1,491,615 | 1965 | 1,470,491 | 1964 | 1,446,737 | 1963 | 1,420,445 | 1962 | 1,391,657 | 1961 | 1,361,098 | 1960 | 1,332,266 |
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