Year | Value | 2021 | 6,510.885 | 2020 | 9,671.143 | 2019 | 17,075 | 2018 | 18,184 | 2017 | 16,843 | 2016 | 12,890 | 2015 | 8,548 | 2014 | 6,068.32 | 2013 | 12,871.016608045 | 2012 | 1,440.7321937322 | 2011 | 1,617.8413105413 | 2010 | 3,221 | 2009 | 15,337 | 2008 | 15,665 | 2007 | 15,590 | 2006 | 15,602 | 2005 | 14,094 | 2004 | 16,316 | 2003 | 24,460 | 2002 | 23,963 | 2001 | 23,963 | 2000 | 21,858 | 1999 | 18,500 | 1998 | 8,800 | 1997 | 8,700 | 1996 | 8,700 | 1995 | 12,500 | 1994 | 12,500 |
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