Year | Value | 2022 | 88.252565252302 | 2021 | 89.758453749215 | 2020 | 94.922537180203 | 2019 | 92.361892301952 | 2018 | 89.994386766248 | 2017 | 94.694762377617 | 2016 | 94.809153885776 | 2015 | 92.593943245305 | 2014 | 94.181197013792 | 2013 | 95.112604249874 | 2012 | 93.967848888602 | 2011 | 92.271184748977 | 2010 | 92.82801594554 | 2009 | 94.349456994033 | 2008 | 92.229907926184 | 2007 | 90.240433302032 | 2006 | 87.336345530461 | 2005 | 86.890808739031 | 2004 | 88.310515361193 | 2003 | 89.442693078184 | 2002 | 89.131619038826 | 2001 | 87.771316335163 | 2000 | 79.97239066994 | 1999 | 82.952649918359 | 1998 | 91.165159416388 | 1997 | 97.796640703108 | 1996 | 95.18259334441 | 1995 | 96.603335713182 | 1994 | 95.436954564061 | 1993 | 92.289254270888 | 1992 | 85.932140978432 | 1991 | 99.722559885592 | 1990 | 99.78469419435 | 1989 | 99.109947643979 | 1988 | 98.951899681827 |
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