| Year | Value | | 2023 | 303,937 | | 2022 | 293,478 | | 2021 | 273,973 | | 2020 | 262,596 | | 2019 | 272,898 | | 2018 | 266,509 | | 2017 | 260,262 | | 2016 | 253,986 | | 2015 | 247,465 | | 2014 | 239,834 | | 2013 | 231,882 | | 2012 | 223,767 | | 2011 | 215,765 | | 2010 | 208,005 | | 2009 | 200,638 | | 2008 | 193,474 | | 2007 | 186,521 | | 2006 | 179,827 | | 2005 | 173,438 | | 2004 | 167,598 | | 2003 | 162,013 | | 2002 | 156,701 | | 2001 | 151,680 | | 2000 | 146,922 | | 1999 | 142,446 | | 1998 | 138,220 | | 1997 | 134,209 | | 1996 | 130,416 | | 1995 | 126,856 | | 1994 | 123,457 | | 1993 | 120,223 | | 1992 | 117,190 | | 1991 | 114,337 |
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