| Year | Value | | 2022 | 91,182 | | 2021 | 87,801 | | 2020 | 84,731 | | 2019 | 82,022 | | 2018 | 79,636 | | 2017 | 77,537 | | 2016 | 75,926 | | 2015 | 74,102 | | 2014 | 72,292 | | 2013 | 70,382 | | 2012 | 68,372 | | 2011 | 66,255 | | 2010 | 64,014 | | 2009 | 61,638 | | 2008 | 59,142 | | 2007 | 56,618 | | 2006 | 54,269 | | 2005 | 51,914 | | 2004 | 49,553 | | 2003 | 47,213 | | 2002 | 44,935 | | 2001 | 42,793 | | 2000 | 40,877 | | 1999 | 39,100 | | 1998 | 37,533 | | 1997 | 36,447 | | 1996 | 35,026 | | 1995 | 33,696 | | 1994 | 32,515 | | 1993 | 31,417 | | 1992 | 30,101 | | 1991 | 28,681 | | 1990 | 27,391 |
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