Year	Percent
1996-01-01	11.40630
1997-01-01	7.47283
1998-01-01	11.36990
1999-01-01	15.23610
2000-01-01	8.69567
2001-01-01	10.07120
2002-01-01	10.07120
2003-01-01	10.07120
2004-01-01	14.53010
2005-01-01	21.40950
2006-01-01	21.85180
2007-01-01	10.66220
2008-01-01	21.18110
2009-01-01	30.85760
2010-01-01	9.45093
2011-01-01	48.21320
2012-01-01	27.75430
2013-01-01	25.16880
2014-01-01	10.76080
2015-01-01	-6.03530
2016-01-01	3.84404