Year	Percent
2008-01-01	1.5486500000000000
2009-01-01	1.8178900000000002
2010-01-01	3.6435199999999996
2011-01-01	3.1248500000000000
2012-01-01	9.5292600000000000
2013-01-01	10.0015000000000000
2014-01-01	9.8850699999999990
2015-01-01	9.8129400000000000
2016-01-01	15.0999000000000000