| Year | Value | | 2023 | 1,388,978 | | 2022 | 1,373,427 | | 2021 | 1,334,211 | | 2020 | 1,311,694 | | 2019 | 1,320,181 | | 2018 | 1,318,805 | | 2017 | 1,300,335 | | 2016 | 1,292,640 | | 2015 | 1,303,456 | | 2014 | 1,296,886 | | 2013 | 1,292,590 | | 2012 | 1,297,783 | | 2011 | 1,287,669 | | 2010 | 1,285,041 | | 2009 | 1,301,284 | | 2008 | 1,303,658 | | 2007 | 1,296,011 | | 2006 | 1,281,501 | | 2005 | 1,268,145 | | 2004 | 1,252,275 | | 2003 | 1,252,397 | | 2002 | 1,255,016 | | 2001 | 1,244,932 | | 2000 | 1,229,592 | | 1999 | 1,224,420 | | 1998 | 1,196,131 | | 1997 | 1,186,376 | | 1996 | 1,174,946 | | 1995 | 1,172,197 | | 1994 | 1,169,545 | | 1993 | 1,180,479 | | 1992 | 1,190,714 | | 1991 | 1,209,549 |
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