| Year | Value | | 2024 | 14,800 | | 2023 | 13,386 | | 2022 | 12,500 | | 2021 | 11,454 | | 2020 | 11,757 | | 2019 | 9,620 | | 2018 | 8,852 | | 2017 | 8,495 | | 2016 | 7,841 | | 2015 | 6,941 | | 2014 | 6,201 | | 2013 | 5,435 | | 2012 | 4,694 | | 2011 | 4,226 | | 2010 | 3,984 | | 2009 | 3,739 | | 2008 | 3,366 | | 2007 | 3,170 | | 2006 | 2,809 | | 2005 | 2,510 | | 2004 | 2,350 | | 2003 | 2,224 | | 2002 | 2,136 | | 2001 | 2,054 | | 2000 | 1,979 | | 1999 | 1,907 | | 1998 | 1,838 | | 1997 | 1,770 | | 1996 | 1,700 | | 1995 | 1,623 | | 1994 | 1,538 | | 1993 | 1,449 | | 1992 | 1,359 | | 1991 | 1,270 | | 1990 | 1,184 | | 1989 | 1,109 | | 1988 | 1,041 | | 1987 | 978 | | 1986 | 928 | | 1985 | 902 | | 1984 | 893 | | 1983 | 884 | | 1982 | 873 | | 1981 | 861 | | 1980 | 845 | | 1979 | 830 | | 1978 | 815 | | 1977 | 798 | | 1976 | 783 | | 1975 | 768 |
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