Year	Percent
1996-01-01	15.3834000000000000
1997-01-01	9.9782700000000000
1998-01-01	12.5400000000000000
1999-01-01	11.1429999999999990
2000-01-01	10.0642000000000000
2001-01-01	12.4582000000000000
2002-01-01	7.6280899999999990
2003-01-01	12.0097000000000000
2004-01-01	20.8068000000000000
2005-01-01	19.4434000000000000
2006-01-01	10.6337000000000000
2007-01-01	7.3530000000000000
2008-01-01	-4.5111300000000005
2009-01-01	3.6049400000000000
2010-01-01	7.0009900000000000
2011-01-01	8.8918000000000000
2012-01-01	9.1535300000000000
2013-01-01	11.0991000000000000
2014-01-01	9.4315199999999990
2015-01-01	9.4240700000000000
2016-01-01	8.9166800000000000