Year	Percent
2004-01-01	0.5456680000000000
2005-01-01	0.6043940000000000
2006-01-01	0.7240370000000000
2007-01-01	0.9765360000000001
2008-01-01	1.7306099999999998
2009-01-01	2.4109700000000003
2010-01-01	2.8783600000000000
2011-01-01	3.8007800000000005
2012-01-01	4.7487300000000000
2013-01-01	5.6646300000000010
2014-01-01	6.6470699999999990
2015-01-01	7.7242500000000000
2016-01-01	8.8967500000000000