| Year | Value | | 2023 | 121,000,000 | | 2022 | 126,000,000 | | 2021 | 121,000,000 | | 2020 | 116,000,000 | | 2019 | 130,000,000 | | 2018 | 125,000,000 | | 2017 | 122,000,000 | | 2016 | 120,000,000 | | 2015 | 103,000,000 | | 2014 | 97,100,000 | | 2013 | 93,800,000 | | 2012 | 85,000,000 | | 2011 | 77,400,000 | | 2010 | 71,700,000 | | 2009 | 66,000,000 | | 2008 | 61,800,000 | | 2007 | 53,000,000 | | 2006 | 40,100,000 | | 2005 | 30,500,000 | | 2004 | 27,000,000 | | 2003 | 21,600,000 | | 2002 | 17,400,000 | | 2001 | 7,550,000 | | 2000 | 3,060,000 | | 1999 | 2,339,401 | | 1998 | 1,976,957 | | 1997 | 2,203,905 | | 1996 | 1,844,627 | | 1995 | 1,297,826 | | 1994 | 737,283 | | 1993 | 413,557 | | 1992 | 250,584 | | 1991 | 123,551 | | 1990 | 63,223 | | 1989 | 39,936 | | 1988 | 17,563 | | 1987 | 5,882 | | 1986 | 821 |
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