| Year | Value | | 2023 | 250,971 | | 2022 | 240,846 | | 2021 | 226,869 | | 2020 | 216,523 | | 2019 | 221,462 | | 2018 | 214,256 | | 2017 | 207,433 | | 2016 | 200,840 | | 2015 | 194,388 | | 2014 | 187,681 | | 2013 | 180,971 | | 2012 | 174,251 | | 2011 | 167,567 | | 2010 | 160,585 | | 2009 | 153,195 | | 2008 | 145,916 | | 2007 | 138,780 | | 2006 | 131,842 | | 2005 | 125,201 | | 2004 | 118,986 | | 2003 | 113,095 | | 2002 | 107,549 | | 2001 | 102,390 | | 2000 | 97,682 | | 1999 | 93,633 | | 1998 | 90,197 | | 1997 | 87,010 | | 1996 | 84,042 | | 1995 | 81,336 | | 1994 | 78,888 | | 1993 | 76,498 | | 1992 | 74,118 | | 1991 | 71,855 |
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