| Year | Value | | 2025 | 292,258 | | 2024 | 297,284 | | 2023 | 298,219 | | 2022 | 282,083 | | 2021 | 245,080 | | 2020 | 257,436 | | 2019 | 278,968 | | 2018 | 273,696 | | 2017 | 268,583 | | 2016 | 268,662 | | 2015 | 266,278 | | 2014 | 262,021 | | 2013 | 250,114 | | 2012 | 249,367 | | 2011 | 242,523 | | 2010 | 241,466 | | 2009 | 240,355 | | 2008 | 239,413 | | 2007 | 237,904 | | 2006 | 236,784 | | 2005 | 236,413 | | 2004 | 236,151 | | 2003 | 236,139 | | 2002 | 235,459 | | 2001 | 234,430 | | 2000 | 232,893 | | 1999 | 232,993 | | 1998 | 231,510 | | 1997 | 232,156 | | 1996 | 232,622 | | 1995 | 233,197 | | 1994 | 233,739 | | 1993 | 233,768 | | 1992 | 232,741 | | 1991 | 231,380 | | 1990 | 230,072 |
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