| Year | Value | | 2022 | 104,428 | | 2021 | 98,231 | | 2020 | 100,362 | | 2019 | 96,373 | | 2018 | 112,443 | | 2017 | 115,844 | | 2016 | 112,649 | | 2015 | 113,371 | | 2014 | 115,017 | | 2013 | 125,378 | | 2012 | 126,992 | | 2011 | 131,809 | | 2010 | 131,791 | | 2009 | 121,114 | | 2008 | 130,098 | | 2007 | 110,491 | | 2006 | 87,634 | | 2005 | 70,620 | | 2004 | 72,000 | | 2003 | 62,911 | | 2002 | 9,982 | | 2001 | 7,492 | | 2000 | 2,361 | | 1999 | 1,420 | | 1998 | 750 | | 1997 | 346 | | 1996 | 280 | | 1995 | 215 | | 1994 | 150 | | 1993 | 83 | | 1992 | 70 |
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