Year	Percent
2008-01-01	30.0815
2009-01-01	45.6468
2010-01-01	38.5461
2011-01-01	35.6297
2012-01-01	38.7561
2013-01-01	35.7488
2014-01-01	36.0193
2015-01-01	33.5275