Year | Value | 2023 | 30,382,859 | 2022 | 29,712,219 | 2021 | 28,828,346 | 2020 | 27,411,903 | 2019 | 27,378,825 | 2018 | 27,338,826 | 2017 | 27,868,509 | 2016 | 28,264,810 | 2015 | 27,386,439 | 2014 | 26,577,490 | 2013 | 26,009,688 | 2012 | 25,110,462 | 2011 | 24,627,282 | 2010 | 24,037,857 | 2009 | 23,275,448 | 2008 | 22,394,951 | 2007 | 22,117,367 | 2006 | 20,839,158 | 2005 | 19,921,243 | 2004 | 19,125,722 | 2003 | 18,392,749 | 2002 | 17,655,814 | 2001 | 17,712,176 | 2000 | 17,258,837 | 1999 | 16,660,395 | 1998 | 15,752,215 | 1997 | 15,337,270 | 1996 | 14,953,048 | 1995 | 14,533,254 | 1994 | 14,177,371 | 1993 | 13,459,291 | 1992 | 13,059,728 | 1991 | 12,442,137 |
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