Year | Value | 2023 | 584,597 | 2022 | 518,741 | 2021 | 496,300 | 2020 | 507,200 | 2019 | 528,125 | 2018 | 554,092 | 2017 | 583,275 | 2016 | 612,562 | 2015 | 642,138 | 2014 | 664,395 | 2013 | 674,255 | 2012 | 676,968 | 2011 | 673,818 | 2010 | 664,582 | 2009 | 657,667 | 2008 | 650,727 | 2007 | 638,094 | 2006 | 618,718 | 2005 | 584,229 | 2004 | 543,645 | 2003 | 512,891 | 2002 | 495,819 | 2001 | 495,542 | 2000 | 508,439 | 1999 | 527,302 | 1998 | 552,020 | 1997 | 580,048 | 1996 | 607,634 | 1995 | 627,156 | 1994 | 634,457 | 1993 | 634,788 | 1992 | 637,762 | 1991 | 645,442 | 1990 | 654,172 | 1989 | 660,115 | 1988 | 664,335 | 1987 | 661,523 | 1986 | 653,852 | 1985 | 647,239 | 1984 | 640,184 | 1983 | 629,266 | 1982 | 613,305 | 1981 | 595,240 | 1980 | 565,980 | 1979 | 529,744 | 1978 | 475,124 | 1977 | 404,339 | 1976 | 351,155 | 1975 | 327,245 | 1974 | 330,279 |
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