Year	Percent
1995-01-01	159.79300
1996-01-01	199.35800
1997-01-01	175.64500
1998-01-01	64.61950
1999-01-01	4.39280
2000-01-01	3.18780
2001-01-01	5.65463
2002-01-01	3.08670
2003-01-01	2.39367
2004-01-01	-5.53906
2005-01-01	6.21390
2006-01-01	-3.10261
2007-01-01	10.27540
2008-01-01	435.20700
2009-01-01	300.63500
2010-01-01	292.07200
2011-01-01	161.10800
2012-01-01	60.30770
2013-01-01	44.19740