Year | Value | 2021 | 91.75320833 | 2020 | 90.62047017 | 2019 | 89.43028486 | 2018 | 88.49890317 | 2017 | 87.27488917 | 2016 | 85.54442129 | 2015 | 74.55420245 | 2014 | 73 | 2013 | 71.4 | 2012 | 74.7 | 2011 | 69.72946076 | 2010 | 71.69 | 2009 | 71 | 2008 | 74 | 2007 | 75 | 2006 | 68.93119327 | 2005 | 67.96805292 | 2004 | 64.75825648 | 2003 | 61.69711712 | 2002 | 58.78540388 | 2001 | 49.08083159 | 2000 | 43.07916264 | 1999 | 35.84872446 | 1998 | 30.09319659 | 1997 | 21.61640097 | 1996 | 16.41935296 | 1995 | 9.237088297 | 1994 | 4.862780635 | 1993 | 2.271673294 | 1992 | 1.724202539 | 1991 | 1.163193726 | 1990 | 0.784728502 |
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