| Year | Value | | 2023 | 4,655,750 | | 2022 | 4,651,589 | | 2021 | 4,571,642 | | 2020 | 4,599,448 | | 2019 | 4,684,352 | | 2018 | 4,682,252 | | 2017 | 4,709,718 | | 2016 | 4,730,250 | | 2015 | 4,754,679 | | 2014 | 4,784,920 | | 2013 | 4,838,419 | | 2012 | 4,893,346 | | 2011 | 4,942,452 | | 2010 | 5,028,603 | | 2009 | 5,019,313 | | 2008 | 4,982,990 | | 2007 | 4,976,699 | | 2006 | 4,987,310 | | 2005 | 4,955,025 | | 2004 | 4,934,209 | | 2003 | 4,864,673 | | 2002 | 4,815,172 | | 2001 | 4,769,442 | | 2000 | 4,806,011 | | 1999 | 4,785,587 | | 1998 | 4,765,338 | | 1997 | 4,618,595 | | 1996 | 4,591,286 | | 1995 | 4,485,913 | | 1994 | 4,400,880 | | 1993 | 4,296,411 | | 1992 | 4,241,652 | | 1991 | 4,121,437 |
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