Year | Value | 2021 | 1,650 | 2020 | 1,888 | 2019 | 1,888 | 2018 | 1,888 | 2017 | 1,888 | 2016 | 2,174 | 2015 | 1,458 | 2014 | 1,458 | 2013 | 1,894 | 2012 | 1,919 | 2011 | 1,919 | 2010 | 1,919 | 2009 | 1,919 | 2008 | 1,919 | 2007 | 1,919 | 2006 | 1,919 | 2005 | 1,919 | 2004 | 1,919 | 2003 | 1,919 | 2002 | 1,919 | 2001 | 1,919 | 2000 | 1,919 | 1999 | 1,909 | 1998 | 1,909 | 1997 | 1,945 | 1996 | 1,954 | 1995 | 1,954 |
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