Year	Percent
1996-01-01	1.7421900000000001
1997-01-01	1.5691700000000002
1998-01-01	1.7404000000000000
1999-01-01	1.4452600000000000
2000-01-01	1.7193000000000000
2001-01-01	1.5431500000000000
2002-01-01	1.7063900000000000
2003-01-01	1.7219000000000000
2004-01-01	2.0225900000000000
2005-01-01	1.8235100000000000
2006-01-01	2.1450600000000000
2007-01-01	2.5014800000000000
2008-01-01	2.8055200000000000
2009-01-01	2.0495500000000000
2010-01-01	1.9595099999999999
2011-01-01	1.8783700000000000
2012-01-01	2.2418700000000000
2013-01-01	2.1138600000000000
2014-01-01	2.0854600000000000
2015-01-01	1.2500100000000000
2016-01-01	1.2420600000000000