| Year | Value | | 2023 | 3,276,784 | | 2022 | 3,163,183 | | 2021 | 3,038,348 | | 2020 | 2,935,354 | | 2019 | 2,858,312 | | 2018 | 2,755,958 | | 2017 | 2,657,433 | | 2016 | 2,555,824 | | 2015 | 2,463,102 | | 2014 | 2,383,988 | | 2013 | 2,304,763 | | 2012 | 2,232,868 | | 2011 | 2,192,517 | | 2010 | 2,155,063 | | 2009 | 2,100,606 | | 2008 | 2,046,356 | | 2007 | 1,987,155 | | 2006 | 1,934,334 | | 2005 | 1,887,008 | | 2004 | 1,832,815 | | 2003 | 1,772,217 | | 2002 | 1,710,953 | | 2001 | 1,648,355 | | 2000 | 1,581,589 | | 1999 | 1,519,084 | | 1998 | 1,457,351 | | 1997 | 1,396,274 | | 1996 | 1,346,599 | | 1995 | 1,297,497 | | 1994 | 1,252,029 | | 1993 | 1,192,692 | | 1992 | 1,154,177 | | 1991 | 1,197,399 |
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