Year | Value | 2022 | 79.545129774896 | 2021 | 79.620676831536 | 2020 | 79.762642951893 | 2019 | 80.414797270112 | 2018 | 80.613045134402 | 2017 | 81.63673694077 | 2016 | 82.605062344688 | 2015 | 83.712432349441 | 2014 | 83.440527235191 | 2013 | 83.212410827566 | 2012 | 83.452611144066 | 2011 | 83.730605156858 | 2010 | 83.971147461822 | 2009 | 84.286659946742 | 2008 | 84.459589456703 | 2007 | 84.535558567052 | 2006 | 84.653588092537 | 2005 | 84.636933611988 | 2004 | 84.715169490256 | 2003 | 85.526265093663 | 2002 | 85.881099078915 | 2001 | 85.889744691297 | 2000 | 87.247759153682 | 1999 | 85.943633537885 | 1998 | 87.292377234436 | 1997 | 87.747985645609 | 1996 | 87.161888686996 | 1995 | 87.063504953711 | 1994 | 86.965320402066 | 1993 | 85.834446588491 | 1992 | 86.992927083949 | 1991 | 87.290500068289 |
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