Year	Percent
2007-01-01	12.15
2008-01-01	6.00
2009-01-01	7.44
2010-01-01	6.02
2011-01-01	4.51
2012-01-01	5.10
2013-01-01	4.78
2014-01-01	6.73
2015-01-01	11.25
2016-01-01	10.93