Year | Value | 2023 | 326,087 | 2022 | 316,710 | 2021 | 308,430 | 2020 | 296,755 | 2019 | 291,112 | 2018 | 282,463 | 2017 | 274,147 | 2016 | 266,209 | 2015 | 258,607 | 2014 | 251,196 | 2013 | 244,036 | 2012 | 237,096 | 2011 | 230,443 | 2010 | 224,128 | 2009 | 217,986 | 2008 | 212,156 | 2007 | 206,620 | 2006 | 201,389 | 2005 | 196,448 | 2004 | 191,481 | 2003 | 186,590 | 2002 | 181,821 | 2001 | 177,175 | 2000 | 172,689 | 1999 | 168,437 | 1998 | 164,369 | 1997 | 160,496 | 1996 | 156,762 | 1995 | 152,952 | 1994 | 148,495 | 1993 | 143,547 | 1992 | 138,496 | 1991 | 134,017 |
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