| Year | Value | | 2022 | 14,300,790 | | 2021 | 14,257,590 | | 2020 | 13,191,708 | | 2019 | 13,195,902 | | 2018 | 12,908,992 | | 2017 | 14,092,104 | | 2016 | 12,878,926 | | 2015 | 12,757,410 | | 2014 | 11,798,652 | | 2013 | 13,633,167 | | 2012 | 12,613,935 | | 2011 | 9,200,000 | | 2010 | 7,700,000 | | 2009 | 3,991,000 | | 2008 | 1,654,721 | | 2007 | 1,225,654 | | 2006 | 849,146 | | 2005 | 647,110 | | 2004 | 425,745 | | 2003 | 363,651 | | 2002 | 338,779 | | 2001 | 314,002 | | 2000 | 266,441 | | 1999 | 174,000 | | 1998 | 19,000 | | 1997 | 5,734 |
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