Year | Value | 2021 | 97.333610897436 | 2020 | 97.412115384615 | 2019 | 97.490576923077 | 2018 | 97.569102564103 | 2017 | 97.647564102564 | 2016 | 97.694358974359 | 2015 | 97.767115384615 | 2014 | 97.828897435897 | 2013 | 97.890679487179 | 2012 | 97.952461538462 | 2011 | 98.014243589744 | 2010 | 98.076025641026 | 2009 | 98.102314102564 | 2008 | 98.128602564103 | 2007 | 98.154891025641 | 2006 | 98.18117948718 | 2005 | 98.207467948718 | 2004 | 98.233756410256 | 2003 | 98.260044871795 | 2002 | 98.286333333333 | 2001 | 98.312621794872 | 2000 | 98.33891025641 | 1999 | 98.362474358974 | 1998 | 98.386038461539 | 1997 | 98.409602564103 | 1996 | 98.433166666667 | 1995 | 98.456730769231 | 1994 | 98.480294871795 | 1993 | 98.503858974359 | 1992 | 98.527423076923 | 1991 | 98.550987179487 | 1990 | 98.574551282051 |
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