| Year | Value | | 2021 | 876,350 | | 2020 | 838,120 | | 2019 | 817,810 | | 2018 | 798,600 | | 2017 | 794,000 | | 2016 | 764,000 | | 2015 | 806,800 | | 2014 | 802,400 | | 2013 | 788,371 | | 2012 | 761,314 | | 2011 | 764,973 | | 2010 | 727,000 | | 2009 | 720,000 | | 2008 | 707,000 | | 2007 | 684,500 | | 2006 | 713,000 | | 2005 | 510,000 | | 2004 | 470,000 | | 2003 | 539,000 | | 2002 | 473,000 | | 2001 | 409,064 | | 2000 | 303,274 | | 1999 | 209,190 | | 1998 | 130,500 | | 1997 | 67,208 | | 1996 | 45,000 | | 1995 | 26,838 | | 1994 | 12,895 | | 1993 | 5,082 | | 1992 | 1,120 | | 1991 | 1,139 | | 1990 | 824 | | 1989 | 665 | | 1988 | 542 | | 1987 | 375 | | 1986 | 292 | | 1985 | 40 |
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