| Year | Value | | 2022 | 188,318 | | 2021 | 180,044 | | 2020 | 171,828 | | 2019 | 164,131 | | 2018 | 157,095 | | 2017 | 150,412 | | 2016 | 144,761 | | 2015 | 138,926 | | 2014 | 133,322 | | 2013 | 127,919 | | 2012 | 122,801 | | 2011 | 118,057 | | 2010 | 113,633 | | 2009 | 109,406 | | 2008 | 105,321 | | 2007 | 101,479 | | 2006 | 98,275 | | 2005 | 95,536 | | 2004 | 93,303 | | 2003 | 91,448 | | 2002 | 89,786 | | 2001 | 88,099 | | 2000 | 86,074 | | 1999 | 83,858 | | 1998 | 81,728 | | 1997 | 79,407 | | 1996 | 75,462 | | 1995 | 71,754 | | 1994 | 68,265 | | 1993 | 64,959 | | 1992 | 61,756 | | 1991 | 58,636 | | 1990 | 55,596 |
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