Year | Value | 2022 | 59,019,998 | 2021 | 56,805,348 | 2020 | 55,647,705 | 2019 | 55,354,944 | 2018 | 54,161,014 | 2017 | 52,506,928 | 2016 | 51,521,507 | 2015 | 51,067,770 | 2014 | 50,806,251 | 2013 | 50,158,689 | 2012 | 50,665,099 | 2011 | 52,590,507 | 2010 | 51,389,417 | 2009 | 51,052,693 | 2008 | 49,623,339 | 2007 | 48,422,470 | 2006 | 45,695,061 | 2005 | 42,694,115 | 2004 | 38,622,582 | 2003 | 37,219,839 | 2002 | 33,530,997 | 2001 | 29,655,729 | 2000 | 24,265,059 | 1999 | 15,003,708 | 1998 | 6,437,444 | 1997 | 4,337,696 | 1996 | 2,997,645 | 1995 | 944,955 | 1994 | 411,930 | 1993 | 257,261 | 1992 | 180,296 | 1991 | 108,451 | 1990 | 54,700 | 1989 | 29,783 | 1988 | 11,628 | 1987 | 4,200 | 1986 | 1,700 |
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