| Year | Value | | 2024 | 8,820,523 | | 2023 | 8,695,838 | | 2022 | 8,627,291 | | 2021 | 8,506,635 | | 2020 | 7,739,432 | | 2019 | 8,393,240 | | 2018 | 8,251,116 | | 2017 | 8,229,598 | | 2016 | 7,985,502 | | 2015 | 7,577,726 | | 2014 | 7,072,058 | | 2013 | 6,882,742 | | 2012 | 6,757,347 | | 2011 | 6,540,161 | | 2010 | 6,489,520 | | 2009 | 6,478,792 | | 2008 | 6,581,958 | | 2007 | 6,449,993 | | 2006 | 6,409,972 | | 2005 | 6,169,877 | | 2004 | 6,069,723 | | 2003 | 5,740,735 | | 2002 | 5,554,493 | | 2001 | 5,375,291 | | 2000 | 5,202,036 | | 1999 | 5,202,562 | | 1998 | 5,196,031 | | 1997 | 4,912,617 | | 1996 | 4,740,530 | | 1995 | 4,629,233 | | 1994 | 4,515,889 | | 1993 | 4,389,724 | | 1992 | 4,279,454 | | 1991 | 4,168,298 | | 1990 | 4,043,013 |
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