| Year | Value | | 2023 | 2,420,000 | | 2022 | 2,140,000 | | 2021 | 1,920,000 | | 2020 | 1,770,000 | | 2019 | 1,920,000 | | 2018 | 2,090,000 | | 2017 | 2,360,000 | | 2016 | 2,990,000 | | 2015 | 2,520,000 | | 2014 | 2,330,000 | | 2013 | 2,210,000 | | 2012 | 2,120,000 | | 2011 | 1,690,000 | | 2010 | 1,570,000 | | 2009 | 1,400,000 | | 2008 | 1,440,000 | | 2007 | 1,120,000 | | 2006 | 907,433 | | 2005 | 767,103 | | 2004 | 649,764 | | 2003 | 443,109 | | 2002 | 388,990 | | 2001 | 299,587 | | 2000 | 205,727 | | 1999 | 133,468 | | 1998 | 92,063 | | 1997 | 58,543 | | 1996 | 40,080 | | 1995 | 27,600 | | 1994 | 17,616 | | 1993 | 11,360 | | 1992 | 9,683 | | 1991 | 7,354 | | 1990 | 5,147 | | 1989 | 4,251 | | 1988 | 2,886 | | 1987 | 1,712 | | 1986 | 618 |
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