Year	Percent
2003-01-01	0.1851600000000000
2004-01-01	1.1942400000000000
2005-01-01	1.7870099999999998
2006-01-01	2.4870300000000000
2007-01-01	2.9420200000000000
2008-01-01	2.6584800000000000
2009-01-01	5.3056300000000010
2010-01-01	5.3641500000000000
2011-01-01	5.3636400000000000
2012-01-01	4.3986700000000000
2013-01-01	6.4570700000000000
2014-01-01	6.9620100000000000
2015-01-01	7.6482800000000010
2016-01-01	6.6098500000000000