Year	Percent
2004-01-01	0.5968690000000000
2005-01-01	0.8207459999999999
2006-01-01	0.9232490000000000
2007-01-01	1.6840800000000000
2008-01-01	2.0946100000000000
2009-01-01	2.0249099999999998
2010-01-01	6.0912600000000000
2011-01-01	9.4440200000000000
2012-01-01	10.4313000000000000
2013-01-01	10.9049000000000000
2014-01-01	12.0717000000000000
2015-01-01	13.6801000000000000
2016-01-01	15.2213000000000000