Year	Percent
1996-01-01	13.6741000000000000
1997-01-01	11.2176000000000000
1998-01-01	10.4574000000000000
1999-01-01	8.5773600000000000
2000-01-01	8.9994000000000000
2001-01-01	14.4117000000000000
2002-01-01	15.1931000000000000
2003-01-01	18.3108000000000000
2004-01-01	20.4490000000000000
2005-01-01	19.9972000000000000
2006-01-01	14.4780000000000000
2007-01-01	0.5489840000000000
2008-01-01	-9.7121600000000000
2009-01-01	-3.7442800000000003
2010-01-01	-14.5906000000000000
2011-01-01	1.1658700000000000
2012-01-01	26.7201000000000000
2013-01-01	12.4333000000000000
2014-01-01	16.3228000000000000
2015-01-01	16.5818000000000000
2016-01-01	15.4961000000000000