| Year | Value | | 2025 | 9,433,041 | | 2024 | 9,145,340 | | 2023 | 8,846,502 | | 2022 | 8,617,545 | | 2021 | 9,128,262 | | 2020 | 9,060,510 | | 2019 | 9,192,643 | | 2018 | 9,215,046 | | 2017 | 9,223,903 | | 2016 | 8,883,595 | | 2015 | 8,575,264 | | 2014 | 8,229,616 | | 2013 | 7,857,574 | | 2012 | 7,518,518 | | 2011 | 7,149,401 | | 2010 | 6,823,542 | | 2009 | 6,563,683 | | 2008 | 6,273,854 | | 2007 | 6,089,849 | | 2006 | 5,937,185 | | 2005 | 5,672,338 | | 2004 | 5,459,174 | | 2003 | 5,259,694 | | 2002 | 4,947,295 | | 2001 | 4,702,818 | | 2000 | 4,684,205 | | 1999 | 4,651,589 | | 1998 | 4,509,602 | | 1997 | 4,372,875 | | 1996 | 4,239,207 | | 1995 | 4,100,434 | | 1994 | 3,930,551 | | 1993 | 3,636,608 | | 1992 | 3,248,953 | | 1991 | 3,009,251 | | 1990 | 2,974,181 |
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