Year	Percent
2006-01-01	19.7240
2007-01-01	20.1211
2008-01-01	18.0405
2009-01-01	27.8356
2010-01-01	20.4561
2011-01-01	16.0827
2012-01-01	15.6511
2013-01-01	12.5969
2014-01-01	12.5639
2015-01-01	12.3564
2016-01-01	11.8151