Year Percent Change 1996-01-01 7.722139326019880 1997-01-01 3.870568306991430 1998-01-01 6.102091353271720 1999-01-01 4.869751578730700 2000-01-01 5.695129346826040 2001-01-01 8.098053461634710 2002-01-01 7.208009030109620 2003-01-01 3.473014680056950 2004-01-01 3.873101397277300 2005-01-01 1.509535796439380 2006-01-01 0.487976592497086 2007-01-01 3.138866260012180 2008-01-01 9.470640599526360 2009-01-01 6.503203158948760 2010-01-01 -0.505013002107257