Year	Percent
2004-01-01	0.0071730000000000006
2005-01-01	0.0058490000000000000
2006-01-01	0.0295170000000000000
2007-01-01	0.1764349999999999800
2008-01-01	0.1432700000000000000
2009-01-01	0.2730110000000000000
2010-01-01	0.2580050000000000400
2011-01-01	0.2232989999999999700
2012-01-01	0.2462619999999999800
2013-01-01	0.2407840000000000300
2014-01-01	0.2113480000000000000
2015-01-01	0.2211929999999999700
2016-01-01	0.3808140000000000000