| Year | Value | | 2023 | 8,577,178 | | 2022 | 8,496,187 | | 2021 | 8,214,096 | | 2020 | 7,453,771 | | 2019 | 8,546,289 | | 2018 | 8,313,826 | | 2017 | 8,061,104 | | 2016 | 7,719,708 | | 2015 | 7,581,399 | | 2014 | 7,641,763 | | 2013 | 7,622,949 | | 2012 | 7,584,890 | | 2011 | 7,502,234 | | 2010 | 7,475,166 | | 2009 | 7,216,319 | | 2008 | 7,074,880 | | 2007 | 6,959,505 | | 2006 | 6,621,945 | | 2005 | 6,219,285 | | 2004 | 5,992,071 | | 2003 | 5,759,683 | | 2002 | 5,523,881 | | 2001 | 5,284,389 | | 2000 | 4,727,409 | | 1999 | 4,973,350 | | 1998 | 4,627,216 | | 1997 | 4,443,165 | | 1996 | 4,126,161 | | 1995 | 3,820,219 | | 1994 | 3,489,726 | | 1993 | 3,297,521 | | 1992 | 3,113,508 | | 1991 | 3,049,643 |
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