| Year | Value | | 2022 | 4,170,329 | | 2021 | 3,900,179 | | 2020 | 3,420,383 | | 2019 | 3,613,846 | | 2018 | 3,636,931 | | 2017 | 3,746,644 | | 2016 | 3,788,490 | | 2015 | 3,713,137 | | 2014 | 3,738,125 | | 2013 | 3,696,834 | | 2012 | 3,584,283 | | 2011 | 3,217,261 | | 2010 | 2,550,592 | | 2009 | 2,136,409 | | 2008 | 2,423,416 | | 2007 | 1,882,830 | | 2006 | 1,358,152 | | 2005 | 1,089,800 | | 2004 | 787,000 | | 2003 | 475,942 | | 2002 | 338,225 | | 2001 | 225,000 | | 2000 | 139,000 | | 1999 | 18,000 | | 1998 | 7,000 | | 1997 | 2,200 | | 1996 | 920 | | 1995 | 14 |
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