| Year | Value | | 2021 | 767,762 | | 2020 | 608,458 | | 2019 | 2,108,591 | | 2018 | 2,093,577 | | 2017 | 2,057,804 | | 2016 | 1,875,433 | | 2015 | 1,782,666 | | 2014 | 1,756,070 | | 2013 | 1,716,702 | | 2012 | 1,872,799 | | 2011 | 1,812,519 | | 2010 | 1,577,226 | | 2009 | 1,679,197 | | 2008 | 1,752,603 | | 2007 | 1,545,318 | | 2006 | 2,148,000 | | 2005 | 2,099,000 | | 2004 | 1,743,000 | | 2003 | 1,582,000 | | 2002 | 1,356,000 | | 2001 | 1,245,000 | | 2000 | 1,072,000 | | 1999 | 926,000 | | 1998 | 920,000 | | 1997 | 767,200 | | 1996 | 727,200 | | 1995 | 644.1 | | 1994 | 624,000 | | 1993 | 432,200 | | 1992 | 215,100 | | 1991 | 113,400 |
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