| Year | Value | | 2022 | 1,556,844 | | 2021 | 1,821,374 | | 2020 | 1,562,648 | | 2019 | 1,681,633 | | 2018 | 1,582,141 | | 2017 | 2,380,804 | | 2016 | 2,282,917 | | 2015 | 2,140,141 | | 2014 | 2,138,789 | | 2013 | 1,790,295 | | 2012 | 1,544,815 | | 2011 | 1,232,354 | | 2010 | 987,448 | | 2009 | 661,000 | | 2008 | 593,216 | | 2007 | 482,455 | | 2006 | 357,913 | | 2005 | 249,786 | | 2004 | 196,213 | | 2003 | 125,950 | | 2002 | 137,953 | | 2001 | 57,000 | | 2000 | 21,600 | | 1999 | 12,000 | | 1998 | 9,831 | | 1997 | 3,500 | | 1996 | 1,262 |
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