| Year | Value | | 2022 | 19,505,294 | | 2021 | 19,899,790 | | 2020 | 21,086,791 | | 2019 | 21,418,681 | | 2018 | 19,417,123 | | 2017 | 18,572,973 | | 2016 | 19,915,503 | | 2015 | 20,850,543 | | 2014 | 20,451,982 | | 2013 | 20,264,514 | | 2012 | 19,105,115 | | 2011 | 13,757,000 | | 2010 | 8,150,764 | | 2009 | 6,268,000 | | 2008 | 4,237,000 | | 2007 | 2,583,318 | | 2006 | 1,721,650 | | 2005 | 1,062,000 | | 2004 | 861,500 | | 2003 | 498,388 | | 2002 | 380,000 | | 2001 | 223,458 | | 2000 | 130,547 | | 1999 | 89,117 | | 1998 | 61,345 | | 1997 | 33,556 | | 1996 | 23,098 | | 1995 | 14,100 | | 1994 | 10,239 | | 1993 | 4,810 |
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