Year | Value | 2021 | 683 | 2020 | 683 | 2019 | 683 | 2018 | 683 | 2017 | 683 | 2016 | 683 | 2015 | 683 | 2014 | 699 | 2013 | 699 | 2012 | 699 | 2011 | 699 | 2010 | 699 | 2009 | 699 | 2008 | 699 | 2007 | 699 | 2006 | 699 | 2005 | 699 | 2004 | 699 | 2003 | 699 | 2002 | 699 | 2001 | 699 | 2000 | 699 | 1999 | 699 | 1998 | 699 | 1997 | 699 | 1996 | 699 | 1995 | 699 |
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