Year	Percent Change
1996-01-01	12.47198619136390
1997-01-01	8.20993507521053
1998-01-01	6.77311319868265
1999-01-01	6.25011119420216
2000-01-01	11.33692272949020
2001-01-01	-8.69538926506987
2002-01-01	16.25502560467940
2003-01-01	18.34202194861410
2004-01-01	5.96119071619080
2005-01-01	8.32683724503759
2006-01-01	-10.30020490207400
2007-01-01	3.13224248141266
2008-01-01	13.08338324075260
2009-01-01	-3.84198351612146
2010-01-01	6.25974272021612