Year | Value | 2021 | 73.275871424071 | 2020 | 68.281995196333 | 2019 | 62.118132882138 | 2018 | 54.085028830043 | 2017 | 48.44783980914 | 2016 | 42.919906258965 | 2015 | 38.835762635933 | 2014 | 34.534706671614 | 2013 | 29.493672941544 | 2012 | 25.782113739574 | 2011 | 22.784573715238 | 2010 | 20.517752797492 | 2009 | 17.616047734105 | 2008 | 14.979849837545 | 2007 | 11.864988715491 | 2006 | 9.8761868576495 | 2005 | 8.5090169975794 | 2004 | 7.5209087734735 | 2003 | 4.040950616515 | 2002 | 2.8153147322485 | 2001 | 1.1494957299016 | 2000 | 0.86736467497189 | 1999 | 0.43881067755628 | 1998 | 0.1702641172378 | 1997 | 0.080018704790646 | 1996 | 0.026861696712339 | 1995 | 0.011439386432819 | 1994 | 0.0020144053401516 | 1993 | 0.00024497822205869 |
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