Year	Percent
1996-01-01	2.2067400000000000
1997-01-01	1.4929400000000000
1998-01-01	2.1206000000000000
1999-01-01	1.1428000000000000
2000-01-01	2.1839600000000000
2001-01-01	2.7779100000000000
2002-01-01	1.0555400000000000
2003-01-01	0.7590450000000000
2004-01-01	0.3078860000000000
2005-01-01	3.7327000000000000
2006-01-01	1.9773900000000002
2007-01-01	1.4104299999999999
2008-01-01	1.1940899999999999
2009-01-01	1.1325600000000000
2010-01-01	1.1249900000000000
2011-01-01	1.0881000000000000
2012-01-01	0.9963690000000001
2013-01-01	0.9393889999999999
2014-01-01	0.9644990000000000
2015-01-01	0.8606560000000000
2016-01-01	0.9675870000000001