Year	Percent Change
1996-01-01	30.87898582758080
1997-01-01	35.12685081273570
1998-01-01	20.88166966959880
1999-01-01	10.52867159513820
2000-01-01	13.23872644563600
2001-01-01	4.04131947165531
2002-01-01	1.53785023836469
2003-01-01	-2.83088270326357
2004-01-01	3.48418119340960
2005-01-01	-2.26507494230828
2006-01-01	5.54657214878662
2007-01-01	4.63658363929983
2008-01-01	5.16340818129501
2009-01-01	10.96926440900280
2010-01-01	10.77646027954730