| Year | Value | | 2023 | 8,577,269 | | 2022 | 8,327,762 | | 2021 | 8,049,004 | | 2020 | 7,741,338 | | 2019 | 7,567,042 | | 2018 | 7,338,779 | | 2017 | 7,115,497 | | 2016 | 6,895,219 | | 2015 | 6,682,736 | | 2014 | 6,481,181 | | 2013 | 6,376,479 | | 2012 | 6,272,750 | | 2011 | 6,168,443 | | 2010 | 6,071,773 | | 2009 | 5,978,737 | | 2008 | 5,886,292 | | 2007 | 5,790,842 | | 2006 | 5,683,357 | | 2005 | 5,567,467 | | 2004 | 5,443,470 | | 2003 | 5,316,274 | | 2002 | 5,187,760 | | 2001 | 5,059,121 | | 2000 | 4,933,796 | | 1999 | 4,814,343 | | 1998 | 4,701,427 | | 1997 | 4,604,246 | | 1996 | 4,522,973 | | 1995 | 4,443,793 | | 1994 | 4,364,455 | | 1993 | 4,290,284 | | 1992 | 4,222,905 | | 1991 | 4,162,241 |
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