Year	Percent Change
1996-01-01	13.08963009954300
1997-01-01	9.51953689581246
1998-01-01	8.37284707529824
1999-01-01	10.65708304787020
2000-01-01	11.90644264081750
2001-01-01	7.77746173840239
2002-01-01	6.91133173226616
2003-01-01	7.18921439402314
2004-01-01	7.84880339892016
2005-01-01	6.55237861408032
2006-01-01	4.54158791509936
2007-01-01	2.89541506210982
2008-01-01	1.56828715667937
2009-01-01	1.83769218939160
2010-01-01	2.30315585601884