| Year | Value | | 2023 | 1,474,043 | | 2022 | 1,489,419 | | 2021 | 1,468,048 | | 2020 | 1,478,716 | | 2019 | 1,470,500 | | 2018 | 1,466,791 | | 2017 | 1,461,249 | | 2016 | 1,475,011 | | 2015 | 1,465,455 | | 2014 | 1,473,507 | | 2013 | 1,461,653 | | 2012 | 1,469,043 | | 2011 | 1,477,415 | | 2010 | 1,483,908 | | 2009 | 1,507,231 | | 2008 | 1,500,975 | | 2007 | 1,500,407 | | 2006 | 1,501,795 | | 2005 | 1,545,558 | | 2004 | 1,585,377 | | 2003 | 1,676,587 | | 2002 | 1,623,229 | | 2001 | 1,644,504 | | 2000 | 1,686,694 | | 1999 | 1,719,125 | | 1998 | 1,716,796 | | 1997 | 1,743,081 | | 1996 | 1,770,037 | | 1995 | 1,797,116 | | 1994 | 1,824,512 | | 1993 | 1,852,203 | | 1992 | 1,879,062 | | 1991 | 1,900,510 |
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