Year	Percent Change
1996-01-01	7.982260788687900
1997-01-01	7.338817777120860
1998-01-01	7.206480772104500
1999-01-01	2.525355552768230
2000-01-01	-0.216476848037574
2001-01-01	-3.770414756222010
2002-01-01	-1.570327375183600
2003-01-01	0.165699622012172
2004-01-01	-0.484170584389321
2005-01-01	2.104881761839130
2006-01-01	1.787063196440250
2007-01-01	3.242989042537710
2008-01-01	4.276966753237390
2009-01-01	6.048401106214220
2010-01-01	3.977028222987400