Year	Percent
2003-01-01	1.6269799999999999
2004-01-01	0.7037220000000001
2005-01-01	0.8431740000000000
2006-01-01	1.6616099999999998
2007-01-01	2.3363099999999997
2008-01-01	1.8965000000000000
2009-01-01	2.0801800000000000
2010-01-01	1.9719500000000000
2011-01-01	1.5070299999999999
2012-01-01	1.5491500000000000
2013-01-01	1.2835500000000000
2014-01-01	1.0939500000000000
2015-01-01	1.0120700000000000
2016-01-01	0.8304420000000000