| Year | Value | | 2022 | 20,854,830 | | 2021 | 19,859,981 | | 2020 | 19,078,948 | | 2019 | 17,880,594 | | 2018 | 16,559,942 | | 2017 | 15,758,366 | | 2016 | 15,186,485 | | 2015 | 14,959,477 | | 2014 | 14,379,729 | | 2013 | 13,133,772 | | 2012 | 11,470,646 | | 2011 | 9,352,868 | | 2010 | 8,343,717 | | 2009 | 6,901,492 | | 2008 | 5,389,133 | | 2007 | 3,630,804 | | 2006 | 2,982,623 | | 2005 | 1,730,106 | | 2004 | 1,121,314 | | 2003 | 782,423 | | 2002 | 553,449 | | 2001 | 301,811 | | 2000 | 250,251 | | 1999 | 87,879 | | 1998 | 27,487 | | 1997 | 6,942 | | 1996 | 1,412 | | 1995 | 122 | | 1994 | 98 |
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