| Year | Value | | 2023 | 5,317,246 | | 2022 | 5,286,176 | | 2021 | 5,106,046 | | 2020 | 5,016,414 | | 2019 | 5,345,176 | | 2018 | 5,342,937 | | 2017 | 5,326,759 | | 2016 | 5,308,720 | | 2015 | 5,292,666 | | 2014 | 5,258,253 | | 2013 | 5,235,766 | | 2012 | 5,206,440 | | 2011 | 5,177,768 | | 2010 | 5,108,192 | | 2009 | 5,148,033 | | 2008 | 5,012,770 | | 2007 | 4,974,488 | | 2006 | 4,919,403 | | 2005 | 4,842,407 | | 2004 | 4,765,760 | | 2003 | 4,708,605 | | 2002 | 4,661,039 | | 2001 | 4,624,374 | | 2000 | 4,581,917 | | 1999 | 4,531,021 | | 1998 | 4,481,531 | | 1997 | 4,457,087 | | 1996 | 4,429,998 | | 1995 | 4,389,402 | | 1994 | 4,365,154 | | 1993 | 4,341,598 | | 1992 | 4,371,046 | | 1991 | 4,378,026 |
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