| Year | Value | | 2023 | 1,800,336 | | 2022 | 1,749,410 | | 2021 | 1,684,158 | | 2020 | 1,633,675 | | 2019 | 1,610,509 | | 2018 | 1,575,236 | | 2017 | 1,544,776 | | 2016 | 1,526,925 | | 2015 | 1,517,960 | | 2014 | 1,508,859 | | 2013 | 1,496,111 | | 2012 | 1,467,999 | | 2011 | 1,438,963 | | 2010 | 1,401,601 | | 2009 | 1,367,558 | | 2008 | 1,324,868 | | 2007 | 1,281,814 | | 2006 | 1,264,992 | | 2005 | 1,247,644 | | 2004 | 1,225,515 | | 2003 | 1,172,899 | | 2002 | 1,121,055 | | 2001 | 1,082,858 | | 2000 | 1,055,604 | | 1999 | 1,046,949 | | 1998 | 1,042,556 | | 1997 | 1,041,487 | | 1996 | 1,044,242 | | 1995 | 985,702 | | 1994 | 914,687 | | 1993 | 882,658 | | 1992 | 850,062 | | 1991 | 901,530 |
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