Year | Value | 2022 | 631,847 | 2021 | 632,119 | 2020 | 631,395 | 2019 | 629,513 | 2018 | 627,172 | 2017 | 624,863 | 2016 | 623,315 | 2015 | 622,083 | 2014 | 620,022 | 2013 | 617,324 | 2012 | 614,105 | 2011 | 610,151 | 2010 | 609,304 | 2009 | 608,997 | 2008 | 606,162 | 2007 | 603,864 | 2006 | 601,957 | 2005 | 600,970 | 2004 | 600,665 | 2003 | 599,607 | 2002 | 597,817 | 2001 | 595,659 | 2000 | 592,302 | 1999 | 588,746 | 1998 | 586,007 | 1997 | 583,690 | 1996 | 581,690 | 1995 | 580,644 | 1994 | 579,985 | 1993 | 578,073 | 1992 | 574,483 | 1991 | 569,159 | 1990 | 561,211 | 1989 | 551,040 | 1988 | 540,314 | 1987 | 529,585 | 1986 | 518,675 | 1985 | 507,326 | 1984 | 495,897 | 1983 | 484,347 | 1982 | 472,178 | 1981 | 459,673 | 1980 | 447,341 | 1979 | 435,012 | 1978 | 422,631 | 1977 | 410,930 | 1976 | 400,628 | 1975 | 391,852 | 1974 | 384,566 | 1973 | 378,771 | 1972 | 373,741 | 1971 | 368,743 | 1970 | 363,827 | 1969 | 359,139 | 1968 | 354,495 | 1967 | 349,659 | 1966 | 344,753 | 1965 | 339,677 | 1964 | 334,313 | 1963 | 329,405 | 1962 | 324,377 | 1961 | 318,784 | 1960 | 313,271 |
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