Year	Percent Change
2000-01-01	18.9752
2001-01-01	23.3270
2002-01-01	25.9861
2003-01-01	6.8645
2004-01-01	13.4230
2005-01-01	11.8659
2006-01-01	9.1437
2007-01-01	12.4023
2008-01-01	12.4931
2009-01-01	9.2436
2010-01-01	12.7161