Year	Percent
2006-01-01	6.600000000000000
2007-01-01	6.900000000000000
2008-01-01	8.600000000000000
2009-01-01	9.900000000000000
2010-01-01	9.232470000000000
2011-01-01	9.025670000000000
2012-01-01	9.941400000000000
2013-01-01	9.228069999999999
2014-01-01	8.255170000000000
2015-01-01	11.107300000000000
2016-01-01	11.879900000000000