Year	Percent
1996-01-01	1.2155100000000000
1997-01-01	3.3672600000000000
1998-01-01	3.2287100000000000
1999-01-01	2.5789500000000000
2000-01-01	3.8213100000000000
2001-01-01	3.1204900000000000
2002-01-01	1.9976200000000002
2003-01-01	1.5136300000000000
2004-01-01	1.4022700000000001
2005-01-01	2.4618800000000000
2006-01-01	2.6949500000000000
2007-01-01	1.8505300000000000
2008-01-01	3.7842700000000000
2009-01-01	3.2590300000000000
2010-01-01	2.3965799999999997
2011-01-01	3.6091900000000003
2012-01-01	1.8548799999999999
2013-01-01	1.1002399999999999
2014-01-01	0.6861180000000000
2015-01-01	1.4155400000000000
2016-01-01	1.6833900000000002