Year Percent Change 1996-01-01 5.942584043200530 1997-01-01 8.031814531158540 1998-01-01 6.358208207308920 1999-01-01 0.437809212058417 2000-01-01 -2.163506766937400 2001-01-01 -8.627398652345290 2002-01-01 -5.516141669495050 2003-01-01 -3.071254676773520 2004-01-01 -2.732775709936420 2005-01-01 -0.400516186911851 2006-01-01 1.373342158832670 2007-01-01 1.899298671646670 2008-01-01 5.964836193700300 2009-01-01 7.955307346636670 2010-01-01 4.554512623950580