| Year | Value | | 2022 | 233,442 | | 2021 | 229,079 | | 2020 | 226,066 | | 2019 | 224,263 | | 2018 | 223,336 | | 2017 | 222,730 | | 2016 | 222,483 | | 2015 | 220,054 | | 2014 | 216,225 | | 2013 | 210,905 | | 2012 | 204,373 | | 2011 | 197,250 | | 2010 | 189,954 | | 2009 | 182,731 | | 2008 | 175,653 | | 2007 | 168,635 | | 2006 | 162,278 | | 2005 | 156,313 | | 2004 | 150,746 | | 2003 | 145,687 | | 2002 | 141,163 | | 2001 | 137,149 | | 2000 | 133,343 | | 1999 | 129,588 | | 1998 | 126,025 | | 1997 | 122,491 | | 1996 | 116,667 | | 1995 | 111,186 | | 1994 | 106,070 | | 1993 | 101,271 | | 1992 | 96,778 | | 1991 | 92,528 | | 1990 | 88,466 |
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