Year | Value | 2021 | 87.387200828704 | 2020 | 86.202730297753 | 2019 | 84.776925989336 | 2018 | 82.391649231037 | 2017 | 80.510285247443 | 2016 | 79.859116882048 | 2015 | 75.678338922766 | 2014 | 73.135270376847 | 2013 | 71.529156133675 | 2012 | 70.19318820861 | 2011 | 67.541696197421 | 2010 | 66.56163601153 | 2009 | 64.150364802876 | 2008 | 62.621764373599 | 2007 | 60.499560729107 | 2006 | 55.184371064045 | 2005 | 52.632010110842 | 2004 | 49.069304631552 | 2003 | 44.374873646917 | 2002 | 40.22913284343 | 2001 | 32.32827937247 | 2000 | 26.977549284915 | 1999 | 19.982429898979 | 1998 | 13.83174350507 | 1997 | 9.2333073637598 | 1996 | 5.8965762058873 | 1995 | 3.2232895555653 | 1994 | 1.7100567849502 | 1993 | 0.84586468329927 | 1992 | 0.59566962706659 | 1991 | 0.37839852405012 | 1990 | 0.23445916818099 |
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