| Year | Value | | 2022 | 35,082,123 | | 2021 | 33,611,000 | | 2020 | 32,360,144 | | 2019 | 34,366,950 | | 2018 | 33,211,000 | | 2017 | 31,693,000 | | 2016 | 30,752,000 | | 2015 | 29,765,000 | | 2014 | 28,789,000 | | 2013 | 28,360,000 | | 2012 | 27,720,000 | | 2011 | 26,840,000 | | 2010 | 25,825,400 | | 2009 | 23,811,900 | | 2008 | 22,092,500 | | 2007 | 20,277,400 | | 2006 | 18,749,100 | | 2005 | 17,016,600 | | 2004 | 15,020,000 | | 2003 | 13,291,000 | | 2002 | 11,872,000 | | 2001 | 10,649,000 | | 2000 | 8,727,000 | | 1999 | 6,911,038 | | 1998 | 5,346,000 | | 1997 | 4,195,000 | | 1996 | 3,497,779 | | 1995 | 2,589,780 | | 1994 | 1,865,779 | | 1993 | 1,332,982 | | 1992 | 1,026,611 | | 1991 | 775,831 | | 1990 | 583,766 | | 1989 | 345,178 | | 1988 | 202,633 | | 1987 | 98,364 | | 1986 | 60,000 | | 1985 | 12,000 |
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