| Year | Value | | 2023 | 11,687,792 | | 2022 | 11,489,216 | | 2021 | 10,597,613 | | 2020 | 9,829,224 | | 2019 | 10,795,112 | | 2018 | 10,565,871 | | 2017 | 10,231,553 | | 2016 | 9,730,013 | | 2015 | 9,261,880 | | 2014 | 8,759,003 | | 2013 | 8,603,698 | | 2012 | 8,088,292 | | 2011 | 7,754,418 | | 2010 | 7,244,760 | | 2009 | 6,673,188 | | 2008 | 6,155,366 | | 2007 | 5,820,951 | | 2006 | 5,723,337 | | 2005 | 5,665,877 | | 2004 | 5,560,098 | | 2003 | 6,248,767 | | 2002 | 6,428,660 | | 2001 | 6,121,070 | | 2000 | 5,863,780 | | 1999 | 6,483,758 | | 1998 | 6,192,252 | | 1997 | 5,962,715 | | 1996 | 6,183,089 | | 1995 | 6,107,379 | | 1994 | 6,024,886 | | 1993 | 5,024,124 | | 1992 | 5,987,799 | | 1991 | 6,085,160 |
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