| Year | Value | | 2022 | 49,006,419 | | 2021 | 44,561,505 | | 2020 | 40,095,246 | | 2019 | 37,376,603 | | 2018 | 33,807,850 | | 2017 | 31,747,233 | | 2016 | 27,451,250 | | 2015 | 25,407,610 | | 2014 | 22,104,575 | | 2013 | 19,390,902 | | 2012 | 18,099,532 | | 2011 | 17,344,242 | | 2010 | 15,599,044 | | 2009 | 13,184,308 | | 2008 | 10,449,036 | | 2007 | 7,467,708 | | 2006 | 4,065,421 | | 2005 | 2,349,439 | | 2004 | 1,674,332 | | 2003 | 1,280,696 | | 2002 | 1,027,058 | | 2001 | 728,545 | | 2000 | 472,952 | | 1999 | 257,134 | | 1998 | 91,212 | | 1997 | 36,000 | | 1996 | 13,549 |
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