| Year | Value | | 2023 | 87,664 | | 2022 | 85,474 | | 2021 | 83,813 | | 2020 | 81,098 | | 2019 | 80,123 | | 2018 | 78,279 | | 2017 | 76,464 | | 2016 | 74,530 | | 2015 | 72,503 | | 2014 | 70,476 | | 2013 | 68,545 | | 2012 | 66,647 | | 2011 | 64,795 | | 2010 | 62,998 | | 2009 | 61,264 | | 2008 | 59,598 | | 2007 | 58,000 | | 2006 | 56,449 | | 2005 | 54,920 | | 2004 | 53,413 | | 2003 | 51,828 | | 2002 | 50,391 | | 2001 | 49,123 | | 2000 | 47,937 | | 1999 | 46,794 | | 1998 | 45,552 | | 1997 | 44,219 | | 1996 | 42,975 | | 1995 | 41,822 | | 1994 | 40,751 | | 1993 | 39,774 | | 1992 | 38,848 | | 1991 | 37,869 |
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