| Year | Value | | 2022 | 5,302,681 | | 2021 | 5,193,416 | | 2020 | 5,087,584 | | 2019 | 4,985,289 | | 2018 | 4,889,391 | | 2017 | 4,796,631 | | 2016 | 4,706,097 | | 2015 | 4,612,329 | | 2014 | 4,519,398 | | 2013 | 4,427,313 | | 2012 | 4,331,740 | | 2011 | 4,181,150 | | 2010 | 4,019,956 | | 2009 | 3,905,066 | | 2008 | 3,783,887 | | 2007 | 3,632,740 | | 2006 | 3,455,397 | | 2005 | 3,266,318 | | 2004 | 3,122,447 | | 2003 | 3,085,173 | | 2002 | 3,060,599 | | 2001 | 2,981,648 | | 2000 | 2,895,224 | | 1999 | 2,789,743 | | 1998 | 2,639,224 | | 1997 | 2,383,300 | | 1996 | 2,203,966 | | 1995 | 2,142,422 | | 1994 | 2,125,198 | | 1993 | 2,132,771 | | 1992 | 2,052,626 | | 1991 | 1,939,236 | | 1990 | 2,209,731 | | 1989 | 2,507,600 | | 1988 | 2,439,639 | | 1987 | 2,372,449 | | 1986 | 2,305,860 | | 1985 | 2,239,724 | | 1984 | 2,174,194 | | 1983 | 2,109,151 | | 1982 | 2,047,602 | | 1981 | 1,989,690 | | 1980 | 1,932,169 | | 1979 | 1,875,566 | | 1978 | 1,820,861 | | 1977 | 1,768,092 | | 1976 | 1,718,482 | | 1975 | 1,671,632 | | 1974 | 1,626,283 | | 1973 | 1,582,697 | | 1972 | 1,540,995 | | 1971 | 1,501,658 | | 1970 | 1,463,563 | | 1969 | 1,425,879 | | 1968 | 1,389,453 | | 1967 | 1,354,287 | | 1966 | 1,320,315 | | 1965 | 1,287,315 | | 1964 | 1,255,197 | | 1963 | 1,224,169 | | 1962 | 1,194,085 | | 1961 | 1,165,005 | | 1960 | 1,137,026 |
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