Year | Value | 2023 | 555,838 | 2022 | 544,067 | 2021 | 527,519 | 2020 | 497,279 | 2019 | 500,538 | 2018 | 484,363 | 2017 | 468,215 | 2016 | 452,244 | 2015 | 437,093 | 2014 | 422,829 | 2013 | 409,262 | 2012 | 396,345 | 2011 | 383,678 | 2010 | 370,768 | 2009 | 382,247 | 2008 | 366,316 | 2007 | 350,967 | 2006 | 336,309 | 2005 | 324,721 | 2004 | 313,359 | 2003 | 302,175 | 2002 | 291,051 | 2001 | 279,887 | 2000 | 268,681 | 1999 | 257,897 | 1998 | 247,227 | 1997 | 238,721 | 1996 | 230,182 | 1995 | 221,735 | 1994 | 213,312 | 1993 | 205,116 | 1992 | 197,142 | 1991 | 189,371 |
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