Year Percent Change 1996-01-01 9.86803398850512000 1997-01-01 9.09442289770377000 1998-01-01 5.03548339139156000 1999-01-01 11.21754693500590000 2000-01-01 15.20881842047780000 2001-01-01 6.95054800914208000 2002-01-01 6.64200645010788000 2003-01-01 4.89611573013255000 2004-01-01 5.35184325216863000 2005-01-01 5.16943910619740000 2006-01-01 4.32434966562328000 2007-01-01 2.33592742935207000 2008-01-01 -0.42848902861576100 2009-01-01 0.73192311422472000 2010-01-01 -0.00710969906202564