| Year | Value | | 2022 | 52,589,287 | | 2021 | 50,588,734 | | 2020 | 49,350,724 | | 2019 | 48,392,944 | | 2018 | 48,285,544 | | 2017 | 50,458,854 | | 2016 | 53,001,776 | | 2015 | 54,537,230 | | 2014 | 56,905,306 | | 2013 | 56,972,803 | | 2012 | 54,086,209 | | 2011 | 50,160,222 | | 2010 | 46,952,111 | | 2009 | 44,806,632 | | 2008 | 43,926,365 | | 2007 | 41,388,774 | | 2006 | 36,745,454 | | 2005 | 29,166,391 | | 2004 | 23,096,065 | | 2003 | 17,401,222 | | 2002 | 13,898,471 | | 2001 | 10,004,661 | | 2000 | 6,747,000 | | 1999 | 3,956,500 | | 1998 | 1,928,042 | | 1997 | 812,200 | | 1996 | 216,900 | | 1995 | 75,000 | | 1994 | 38,942 | | 1993 | 15,699 | | 1992 | 2,195 |
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