Year | Value | 2022 | 93.554793968701 | 2021 | 93.425734687387 | 2020 | 94.463773120612 | 2019 | 94.767981515526 | 2018 | 97.432179399771 | 2017 | 97.309496316347 | 2016 | 97.161222152936 | 2015 | 97.03000143276 | 2014 | 96.962919367223 | 2013 | 96.824702864222 | 2012 | 96.681180080937 | 2011 | 96.512751481369 | 2010 | 96.292147873576 | 2009 | 96.097868864254 | 2008 | 96.034504517827 | 2007 | 95.809642816445 | 2006 | 95.611163713423 | 2005 | 95.384124245769 | 2004 | 95.097611844997 | 2003 | 94.833380783459 | 2002 | 94.579311723316 | 2001 | 94.390261756331 | 2000 | 94.204132453797 | 1999 | 93.90406939853 | 1998 | 93.653543212136 | 1997 | 93.471700571348 | 1996 | 93.234465871951 | 1995 | 92.924320404337 | 1994 | 92.61912417686 | 1993 | 92.280692378096 | 1992 | 91.928804871333 | 1991 | 91.731900415731 |
|