| Year | Value | | 2022 | 519,258 | | 2021 | 489,339 | | 2020 | 434,035 | | 2019 | 413,866 | | 2018 | 395,037 | | 2017 | 373,052 | | 2016 | 345,246 | | 2015 | 314,350 | | 2014 | 287,049 | | 2013 | 244,123 | | 2012 | 212,468 | | 2011 | 193,049 | | 2010 | 165,613 | | 2009 | 128,776 | | 2008 | 112,848 | | 2007 | 69,539 | | 2006 | 44,817 | | 2005 | 44,053 | | 2004 | 34,482 | | 2003 | 23,000 | | 2002 | 15,000 | | 2001 | 3,000 | | 2000 | 230 | | 1999 | 280 | | 1998 | 220 | | 1997 | 203 | | 1996 | 110 |
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