Year | Value | 2021 | 85.5 | 2020 | 85.65 | 2019 | 85.8 | 2018 | 85.95 | 2017 | 86.1 | 2016 | 86.25 | 2015 | 86.4 | 2014 | 86.55 | 2013 | 86.7 | 2012 | 86.85 | 2011 | 87 | 2010 | 87.15 | 2009 | 87.3 | 2008 | 87.45 | 2007 | 87.6 | 2006 | 87.75 | 2005 | 87.9 | 2004 | 88.05 | 2003 | 88.2 | 2002 | 88.35 | 2001 | 88.5 | 2000 | 88.65 | 1999 | 88.82 | 1998 | 88.99 | 1997 | 89.16 | 1996 | 89.33 | 1995 | 89.5 | 1994 | 89.67 | 1993 | 89.84 | 1992 | 90.01 | 1991 | 90.18 | 1990 | 90.35 |
|