Year	Percent
2005-01-01	0.34700000000000003
2006-01-01	1.62400000000000000
2007-01-01	2.47000000000000000
2008-01-01	2.81000000000000000
2009-01-01	3.43000000000000000
2010-01-01	3.66000000000000000
2011-01-01	3.83000000000000000
2012-01-01	4.34000000000000000
2013-01-01	5.01000000000000000
2014-01-01	5.12000000000000000
2015-01-01	5.57000000000000000
2016-01-01	6.00000000000000000