| Year | Value | | 2023 | 810,388 | | 2022 | 805,149 | | 2021 | 809,353 | | 2020 | 782,480 | | 2019 | 805,325 | | 2018 | 798,503 | | 2017 | 796,712 | | 2016 | 797,204 | | 2015 | 792,911 | | 2014 | 797,485 | | 2013 | 771,577 | | 2012 | 783,319 | | 2011 | 783,757 | | 2010 | 752,517 | | 2009 | 751,651 | | 2008 | 737,827 | | 2007 | 721,074 | | 2006 | 692,886 | | 2005 | 666,646 | | 2004 | 653,494 | | 2003 | 653,145 | | 2002 | 654,124 | | 2001 | 672,454 | | 2000 | 639,413 | | 1999 | 628,075 | | 1998 | 634,256 | | 1997 | 615,738 | | 1996 | 597,324 | | 1995 | 582,816 | | 1994 | 562,670 | | 1993 | 538,373 | | 1992 | 545,961 | | 1991 | 528,432 |
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