Year	Percent
2004-01-01	0.26
2005-01-01	0.55
2006-01-01	1.00
2007-01-01	1.26
2008-01-01	0.32
2009-01-01	0.43
2010-01-01	0.56
2011-01-01	0.43
2012-01-01	0.52
2013-01-01	0.70
2014-01-01	0.86
2015-01-01	0.97
2016-01-01	1.91