Year | Value | 2021 | 84.79357266 | 2020 | 81.8019792 | 2019 | 78.63994332 | 2017 | 37.32583679 | 2016 | 35.66 | 2015 | 34 | 2014 | 32 | 2013 | 31 | 2012 | 30.5 | 2011 | 30 | 2010 | 29.9 | 2009 | 23.9 | 2008 | 18.2 | 2007 | 13.8 | 2006 | 8.9 | 2005 | 5.7 | 2004 | 3.7 | 2003 | 2.4 | 2002 | 1.5 | 2001 | 1 | 2000 | 0.6 | 1999 | 0.4 | 1998 | 0.26408811 | 1997 | 0.131828033 | 1996 | 0.065854115 |
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