| Year | Value | | 2022 | 7,876,163 | | 2021 | 7,834,435 | | 2020 | 7,512,370 | | 2019 | 7,309,970 | | 2018 | 8,495,585 | | 2017 | 8,840,342 | | 2016 | 8,330,664 | | 2015 | 7,535,599 | | 2014 | 7,020,412 | | 2013 | 7,111,981 | | 2012 | 5,378,082 | | 2011 | 4,153,067 | | 2010 | 3,128,372 | | 2009 | 1,950,318 | | 2008 | 1,886,570 | | 2007 | 1,508,219 | | 2006 | 1,443,717 | | 2005 | 1,101,305 | | 2004 | 923,084 | | 2003 | 778,299 | | 2002 | 502,478 | | 2001 | 326,944 | | 2000 | 211,614 | | 1999 | 138,178 | | 1998 | 108,770 | | 1997 | 64,387 | | 1996 | 46,531 | | 1995 | 18,750 | | 1994 | 6,985 | | 1993 | 4,533 | | 1992 | 3,008 |
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