Year	Percent
2005-01-01	0.20
2006-01-01	0.18
2007-01-01	0.16
2008-01-01	0.14
2009-01-01	0.15
2010-01-01	0.16
2011-01-01	0.12
2012-01-01	0.12
2013-01-01	0.11
2014-01-01	0.11
2015-01-01	0.10