Year | Value | 2021 | 14,343 | 2020 | 7,424 | 2019 | 25,300 | 2018 | 21,514 | 2017 | 21,730 | 2016 | 21,486 | 2015 | 22,579 | 2014 | 23,149 | 2013 | 23,962 | 2012 | 24,328 | 2011 | 23,773 | 2010 | 22,924 | 2009 | 23,176 | 2008 | 22,406 | 2007 | 22,265 | 2006 | 21,514 | 2005 | 22,183 | 2004 | 22,698 | 2003 | 22,325 | 2002 | 22,543 | 2001 | 39,673 | 2000 | 30,075 | 1999 | 30,800 | 1998 | 11,700 | 1997 | 11,500 | 1996 | 11,500 | 1995 | 16,200 | 1994 | 15,600 |
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