Year | Value | 2021 | 78.09560329 | 2020 | 77.53773417 | 2019 | 76.98385013 | 2018 | 71.5 | 2017 | 66.4 | 2016 | 61.7 | 2015 | 57.3 | 2014 | 53.2 | 2013 | 49.4 | 2012 | 45.865 | 2011 | 34 | 2010 | 32.5 | 2009 | 31 | 2008 | 30 | 2007 | 27.9 | 2006 | 24.5 | 2005 | 21.56758295 | 2004 | 21.39521236 | 2003 | 20.98247346 | 2002 | 14.64183577 | 2001 | 8.181863954 | 2000 | 5.090483341 | 1999 | 1.932105802 | 1998 | 1.304988973 | 1997 | 0.992168483 | 1996 | 0.670465974 | 1995 | 0.305656686 |
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