Year | Value | 2017 | 82.0058408 | 2015 | 74.00175279 | 2014 | 70 | 2013 | 66 | 2012 | 58 | 2011 | 50 | 2010 | 42 | 2009 | 33.99 | 2008 | 34.51 | 2007 | 35.05 | 2006 | 33.51571468 | 2005 | 32.35901475 | 2004 | 30.29804621 | 2003 | 26.40833447 | 2002 | 22.38979742 | 2001 | 18.23710978 | 2000 | 13.93954882 | 1999 | 5.688147323 | 1998 | 1.936042825 | 1997 | 0.989334969 | 1996 | 0.252983946 | 1995 | 0.005179013 |
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