Year | Value | 2021 | 90.29689758 | 2020 | 90.12734091 | 2019 | 86.78787762 | 2018 | 83.73315696 | 2017 | 81.58118359 | 2016 | 79.65312418 | 2015 | 77.35208966 | 2014 | 75.01775316 | 2013 | 70.25031195 | 2012 | 70.8 | 2011 | 68.87387799 | 2010 | 67.5 | 2009 | 63.12 | 2008 | 59.39 | 2007 | 48.12806219 | 2006 | 27.88107446 | 2005 | 25.19404242 | 2004 | 22.77048553 | 2003 | 19.59339366 | 2002 | 17.76459906 | 2001 | 17.37862386 | 2000 | 20.87379 | 1999 | 13.43612191 | 1998 | 10.30706995 | 1997 | 4.399405482 | 1996 | 2.1683676 | 1995 | 0.93042297 | 1994 | 0.57696646 | 1993 | 0.398833333 | 1992 | 0.310579197 | 1991 | 0.2146241 | 1990 | 0.110773866 |
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