Year	Percent
2009-01-01	3.4797800000000003
2010-01-01	5.0496099999999995
2011-01-01	7.6293200000000000
2012-01-01	4.9839400000000005
2013-01-01	5.2948200000000000
2014-01-01	5.2948200000000000
2015-01-01	5.2948200000000000
2016-01-01	2.3078400000000000