| Year | Value | | 2023 | 855,301 | | 2022 | 844,182 | | 2021 | 833,682 | | 2020 | 840,235 | | 2019 | 864,408 | | 2018 | 860,599 | | 2017 | 837,075 | | 2016 | 801,959 | | 2015 | 768,564 | | 2014 | 742,612 | | 2013 | 722,754 | | 2012 | 699,050 | | 2011 | 685,093 | | 2010 | 692,760 | | 2009 | 664,657 | | 2008 | 610,442 | | 2007 | 558,291 | | 2006 | 508,671 | | 2005 | 461,674 | | 2004 | 417,214 | | 2003 | 381,538 | | 2002 | 360,155 | | 2001 | 345,676 | | 2000 | 331,668 | | 1999 | 318,052 | | 1998 | 304,884 | | 1997 | 292,255 | | 1996 | 280,317 | | 1995 | 269,157 | | 1994 | 258,713 | | 1993 | 248,928 | | 1992 | 239,840 | | 1991 | 231,507 |
|