Year | Value | 2023 | 47,271,605 | 2022 | 47,349,276 | 2021 | 45,749,279 | 2020 | 43,484,436 | 2019 | 47,258,734 | 2018 | 46,062,630 | 2017 | 45,271,141 | 2016 | 43,968,940 | 2015 | 43,183,312 | 2014 | 42,060,492 | 2013 | 41,505,825 | 2012 | 40,911,177 | 2011 | 40,107,710 | 2010 | 40,627,457 | 2009 | 41,105,773 | 2008 | 40,092,913 | 2007 | 39,704,422 | 2006 | 39,186,775 | 2005 | 38,698,635 | 2004 | 37,173,848 | 2003 | 35,845,576 | 2002 | 35,052,645 | 2001 | 33,332,457 | 2000 | 31,892,724 | 1999 | 30,485,053 | 1998 | 29,016,958 | 1997 | 27,913,783 | 1996 | 26,649,033 | 1995 | 26,706,157 | 1994 | 25,528,388 | 1993 | 24,394,408 | 1992 | 23,304,078 | 1991 | 22,257,027 |
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