Year	Percent Change
1996-01-01	12.54471358841360
1997-01-01	7.68084105792824
1998-01-01	5.76937513236017
1999-01-01	5.29306997108931
2000-01-01	6.82227502313477
2001-01-01	8.38440207335219
2002-01-01	9.09022307498002
2003-01-01	6.65966872451716
2004-01-01	5.14793656287748
2005-01-01	1.98664533323241
2006-01-01	3.05172289940050
2007-01-01	4.41443170661343
2008-01-01	6.38615486437373
2009-01-01	6.70829012649335
2010-01-01	2.12819203451871