| Year | Value | | 2023 | 250,230 | | 2022 | 246,023 | | 2021 | 243,125 | | 2020 | 235,583 | | 2019 | 246,470 | | 2018 | 242,573 | | 2017 | 238,158 | | 2016 | 234,453 | | 2015 | 228,664 | | 2014 | 223,039 | | 2013 | 217,561 | | 2012 | 212,231 | | 2011 | 207,067 | | 2010 | 202,052 | | 2009 | 197,210 | | 2008 | 192,572 | | 2007 | 188,112 | | 2006 | 183,778 | | 2005 | 179,549 | | 2004 | 175,450 | | 2003 | 170,381 | | 2002 | 164,227 | | 2001 | 157,994 | | 2000 | 151,713 | | 1999 | 145,457 | | 1998 | 142,033 | | 1997 | 138,643 | | 1996 | 135,334 | | 1995 | 132,099 | | 1994 | 129,348 | | 1993 | 128,074 | | 1992 | 128,285 | | 1991 | 127,387 |
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