| Year | Value | | 2023 | 4,212,754 | | 2022 | 4,059,848 | | 2021 | 3,752,802 | | 2020 | 3,617,643 | | 2019 | 3,872,834 | | 2018 | 3,779,880 | | 2017 | 3,657,149 | | 2016 | 3,549,360 | | 2015 | 3,514,137 | | 2014 | 3,477,730 | | 2013 | 3,385,608 | | 2012 | 3,331,478 | | 2011 | 3,268,572 | | 2010 | 3,084,497 | | 2009 | 2,980,835 | | 2008 | 2,904,700 | | 2007 | 2,731,942 | | 2006 | 2,626,099 | | 2005 | 2,507,987 | | 2004 | 2,407,523 | | 2003 | 2,279,452 | | 2002 | 2,158,944 | | 2001 | 2,136,729 | | 2000 | 2,154,318 | | 1999 | 2,138,320 | | 1998 | 2,087,559 | | 1997 | 2,031,117 | | 1996 | 1,955,811 | | 1995 | 1,875,558 | | 1994 | 1,782,093 | | 1993 | 1,720,931 | | 1992 | 1,650,279 | | 1991 | 1,550,586 |
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