Year	Percent
2008-01-01	21.970000000000000
2009-01-01	3.219770000000000
2010-01-01	3.683240000000000
2011-01-01	0.000000000000000
2012-01-01	37.411000000000000
2013-01-01	41.638999999999996
2014-01-01	26.606700000000000
2015-01-01	20.361500000000000
2016-01-01	23.460100000000000