Year | Value | 2014 | 90.011076692694 | 2013 | 90.049598902348 | 2012 | 92.247419480924 | 2011 | 92.520788462458 | 2010 | 93.811784006918 | 2009 | 95.941339440451 | 2008 | 96.241017582757 | 2007 | 96.722819333293 | 2006 | 96.676509066543 | 2005 | 96.9141752581 | 2004 | 96.46097132944 | 2003 | 96.681951038622 | 2002 | 96.848216120108 | 2001 | 96.710946006029 | 2000 | 96.834404406901 | 1999 | 97.160500959681 | 1998 | 97.543491116229 | 1997 | 97.413332747737 | 1996 | 97.755014921273 | 1995 | 98.100031813795 | 1994 | 98.310418795933 | 1993 | 98.449514371217 | 1992 | 98.763866243681 | 1991 | 98.881116863942 | 1990 | 99.148464890578 |
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