Year | Value | 2022 | 95.532741081617 | 2021 | 95.588323372182 | 2020 | 95.388810532173 | 2019 | 95.058119231886 | 2018 | 96.026083290213 | 2017 | 96.703169952254 | 2016 | 97.05445609844 | 2015 | 97.116394393035 | 2014 | 97.154580214919 | 2013 | 96.43736617709 | 2012 | 96.252339959964 | 2011 | 96.083105324234 | 2010 | 95.909494774969 | 2009 | 95.817319146406 | 2008 | 95.815545509929 | 2007 | 96.249690163755 | 2006 | 96.634536041312 | 2005 | 96.907973336177 | 2004 | 96.954695356366 | 2003 | 97.021341664571 | 2002 | 97.098964942329 | 2001 | 97.184460523004 | 2000 | 97.245295199765 | 1999 | 97.238041709533 | 1998 | 97.259317437061 | 1997 | 97.295964282484 | 1996 | 97.296181892194 | 1995 | 97.294421519341 | 1994 | 97.295892622065 | 1993 | 97.30368648132 | 1992 | 97.317857579034 | 1991 | 97.323182544926 |
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