Year	Percent
2008-01-01	11.000000000000000
2009-01-01	12.100000000000000
2010-01-01	12.410200000000000
2011-01-01	12.118800000000000
2012-01-01	7.342630000000001
2013-01-01	14.031300000000000
2014-01-01	15.358100000000000
2015-01-01	16.467400000000000
2016-01-01	16.942600000000000