| Year | Value | | 2022 | 8,630,945 | | 2021 | 8,697,435 | | 2020 | 8,753,644 | | 2019 | 8,796,860 | | 2018 | 8,823,753 | | 2017 | 8,828,595 | | 2016 | 8,803,732 | | 2015 | 8,746,399 | | 2014 | 8,650,882 | | 2013 | 8,519,685 | | 2012 | 8,361,282 | | 2011 | 8,184,911 | | 2010 | 8,000,070 | | 2009 | 7,816,374 | | 2008 | 7,645,706 | | 2007 | 7,490,434 | | 2006 | 7,347,014 | | 2005 | 7,218,223 | | 2004 | 7,101,953 | | 2003 | 6,990,465 | | 2002 | 6,889,967 | | 2001 | 6,810,896 | | 2000 | 6,749,876 | | 1999 | 6,703,935 | | 1998 | 6,665,490 | | 1997 | 6,615,804 | | 1996 | 6,542,198 | | 1995 | 6,442,324 | | 1994 | 6,315,495 | | 1993 | 6,166,079 | | 1992 | 6,003,047 | | 1991 | 5,832,761 | | 1990 | 5,658,664 | | 1989 | 5,483,558 | | 1988 | 5,309,994 | | 1987 | 5,140,805 | | 1986 | 4,978,034 | | 1985 | 4,820,525 | | 1984 | 4,669,361 | | 1983 | 4,509,971 | | 1982 | 4,330,985 | | 1981 | 4,139,850 | | 1980 | 3,951,969 | | 1979 | 3,778,003 | | 1978 | 3,631,107 | | 1977 | 3,521,781 | | 1976 | 3,441,230 | | 1975 | 3,369,523 | | 1974 | 3,293,492 | | 1973 | 3,214,735 | | 1972 | 3,129,691 | | 1971 | 3,038,927 | | 1970 | 2,944,041 | | 1969 | 2,848,541 | | 1968 | 2,761,134 | | 1967 | 2,686,451 | | 1966 | 2,623,572 | | 1965 | 2,572,521 | | 1964 | 2,530,466 | | 1963 | 2,491,329 | | 1962 | 2,451,325 | | 1961 | 2,408,365 | | 1960 | 2,361,100 |
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