Year	Percent
1996-01-01	14.767300000000000
1997-01-01	8.275310000000001
1998-01-01	9.350719999999999
1999-01-01	4.641730000000000
2000-01-01	1.301130000000000
2001-01-01	-8.438460000000001
2002-01-01	7.476160000000000
2003-01-01	16.237400000000000
2004-01-01	10.312100000000000
2005-01-01	29.988300000000000
2006-01-01	25.256800000000000
2007-01-01	17.994300000000000
2008-01-01	13.755600000000000
2009-01-01	9.471310000000000
2010-01-01	13.130600000000000
2011-01-01	14.100800000000000
2012-01-01	12.497000000000000
2013-01-01	12.997600000000000
2014-01-01	14.454500000000000
2015-01-01	12.838500000000000
2016-01-01	9.583660000000000