Year | Value | 2022 | 74.089718092838 | 2021 | 73.803232293141 | 2020 | 73.70130815364 | 2019 | 74.201125123343 | 2018 | 74.575397936808 | 2017 | 74.881168754406 | 2016 | 75.047726503875 | 2015 | 75.559156704034 | 2014 | 76.914559618598 | 2013 | 78.368694390294 | 2012 | 79.492876729935 | 2011 | 81.46743462549 | 2010 | 88.175353133137 | 2009 | 88.342811356876 | 2008 | 87.831932623219 | 2007 | 88.090890854829 | 2006 | 87.397454734604 | 2005 | 86.115411760469 | 2004 | 85.804050744729 | 2003 | 86.10102776885 | 2002 | 87.147292088581 | 2001 | 87.195501909524 | 2000 | 88.408472389254 | 1999 | 88.937693267931 | 1998 | 90.405343920531 | 1997 | 91.578942538241 | 1996 | 92.604743814055 | 1995 | 92.304031845865 | 1994 | 92.400132947554 | 1993 | 92.42080862041 | 1992 | 92.564094009983 | 1991 | 92.576909239673 |
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