Year | Value | 2022 | 77.709065664988 | 2021 | 76.687802411395 | 2020 | 73.658412299626 | 2019 | 68.355129903339 | 2018 | 63.982815089107 | 2017 | 59.176351094396 | 2016 | 56.783795089993 | 2015 | 53.372817291601 | 2014 | 50.74795192154 | 2013 | 48.029746959847 | 2012 | 45.086100974081 | 2011 | 40.869185602823 | 2010 | 36.664546735604 | 2009 | 31.718997255107 | 2008 | 25.747295906447 | 2007 | 20.001727458446 | 2006 | 15.165656270568 | 2005 | 12.310510422956 | 2004 | 10.404132485588 | 2003 | 8.0491065279727 | 2002 | 5.9300007404148 | 2001 | 3.5673559332409 | 2000 | 2.477377755585 | 1999 | 1.2726058703642 | 1998 | 0.63471052406895 | 1997 | 0.27240310466115 | 1996 | 0.14194564592285 | 1995 | 0.056697745798186 | 1994 | 0.025796252313397 | 1993 | 0.008757765222119 | 1992 | 0.0030356708427194 | 1991 | 0.00054943386283816 |
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