| Year | Value | | 2023 | 4,964,239 | | 2022 | 4,796,679 | | 2021 | 4,560,387 | | 2020 | 4,496,108 | | 2019 | 4,402,996 | | 2018 | 4,273,806 | | 2017 | 4,235,801 | | 2016 | 4,195,476 | | 2015 | 4,152,214 | | 2014 | 4,105,299 | | 2013 | 4,056,023 | | 2012 | 4,004,243 | | 2011 | 3,947,757 | | 2010 | 3,822,693 | | 2009 | 3,697,926 | | 2008 | 3,577,586 | | 2007 | 3,464,881 | | 2006 | 3,361,334 | | 2005 | 3,251,640 | | 2004 | 3,139,548 | | 2003 | 3,038,386 | | 2002 | 2,939,918 | | 2001 | 2,846,533 | | 2000 | 2,755,776 | | 1999 | 2,667,735 | | 1998 | 2,582,839 | | 1997 | 2,502,067 | | 1996 | 2,429,876 | | 1995 | 2,375,000 | | 1994 | 2,345,579 | | 1993 | 2,255,088 | | 1992 | 2,140,165 | | 1991 | 2,076,860 |
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