Year Percent Change 1996-01-01 8.4468205979453900 1997-01-01 8.2293206375756600 1998-01-01 5.3833522608427500 1999-01-01 1.6614529127292600 2000-01-01 1.2719615113201200 2001-01-01 -1.3677273425790500 2002-01-01 4.7065054029178800 2003-01-01 -0.0647875036039610 2004-01-01 0.0614334778998378 2005-01-01 2.3536393620188800 2006-01-01 1.4090500940271400 2007-01-01 4.5776621338719500 2008-01-01 6.2033019821579000 2009-01-01 3.3161067299656400 2010-01-01 2.6360482951768100