Year Percent Change 1996-01-01 2.8852798167755000 1997-01-01 3.5684880129113400 1998-01-01 9.3939700427136400 1999-01-01 3.4836737216029400 2000-01-01 13.3252444534112000 2001-01-01 -0.1422309670585860 2002-01-01 0.1317024648677620 2003-01-01 -3.8485142400814900 2004-01-01 -8.5286193341636300 2005-01-01 -1.6953552916857200 2006-01-01 -4.1437825642741800 2007-01-01 -0.0992209037120977 2008-01-01 6.3830640437287300 2009-01-01 6.6374275712506600 2010-01-01 0.6317874810828620