| Year | Value | | 2021 | 4,934 | | 2020 | 2,851.909 | | 2019 | 11,899 | | 2018 | 13,590 | | 2017 | 14,116 | | 2016 | 9,625 | | 2015 | 8,739 | | 2014 | 8,400 | | 2013 | 7,500 | | 2012 | 6,560 | | 2011 | 7,147 | | 2010 | 6,571 | | 2009 | 5,047 | | 2008 | 4,933 | | 2007 | 4,654 | | 2006 | 4,248 | | 2005 | 4,392 | | 2004 | 4,657 | | 2003 | 4,333 | | 2002 | 3,862 | | 2001 | 3,866 | | 2000 | 3,682 | | 1999 | 1,100 | | 1998 | 3,300 | | 1997 | 1,600 | | 1996 | 3,800 | | 1995 | 3,400 |
|