| Year | Value | | 2023 | 5,283,082 | | 2022 | 5,100,154 | | 2021 | 4,782,164 | | 2020 | 4,997,956 | | 2019 | 4,519,469 | | 2018 | 4,529,017 | | 2017 | 4,399,260 | | 2016 | 4,270,759 | | 2015 | 4,152,421 | | 2014 | 4,042,727 | | 2013 | 3,940,667 | | 2012 | 3,843,592 | | 2011 | 3,742,091 | | 2010 | 3,634,667 | | 2009 | 3,531,582 | | 2008 | 3,432,795 | | 2007 | 3,338,113 | | 2006 | 3,246,564 | | 2005 | 3,156,247 | | 2004 | 3,065,626 | | 2003 | 2,973,317 | | 2002 | 2,883,216 | | 2001 | 2,796,906 | | 2000 | 2,710,878 | | 1999 | 2,614,098 | | 1998 | 2,514,052 | | 1997 | 2,374,650 | | 1996 | 2,040,453 | | 1995 | 1,698,037 | | 1994 | 2,093,754 | | 1993 | 2,545,376 | | 1992 | 2,480,573 | | 1991 | 2,435,687 |
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