Year % change from 1990 1991 -100 1992 -100 1993 -100 1994 -100 1995 -100 1996 -100 1997 -100 1998 -100 1999 -100 2000 -27.54508069717 2001 -100 2002 -100 2003 -100 2004 -100 2005 -36.6566999170833 2006 -100 2007 -100 2008 -43.6635761367539 2009 -100 2010 -44.8143588197358 2011 -100 2012 -100