Year	Percent
2006-01-01	6.2
2007-01-01	3.6
2008-01-01	5.3
2009-01-01	8.2
2010-01-01	15.8
2011-01-01	10.2
2012-01-01	7.2
2013-01-01	5.5
2014-01-01	4.5
2015-01-01	7.1