Year Percent Change 1993-01-01 17.778850076300700 1994-01-01 16.011038772654200 1995-01-01 20.903607221154800 1996-01-01 26.925159473437800 1997-01-01 16.317423646674400 1998-01-01 6.348394995535940 1999-01-01 3.551256895614580 2000-01-01 10.588603099254400 2001-01-01 14.398864349074600 2002-01-01 5.903274376736640 2003-01-01 7.626432866634800 2004-01-01 6.981327713586000 2005-01-01 0.395015686106904 2006-01-01 0.847759720909247 2007-01-01 4.424861874441620 2008-01-01 7.943641557727260 2009-01-01 5.537143750969320 2010-01-01 -2.071565847503910