Year	Percent
2002-01-01	0.30
2003-01-01	0.30
2004-01-01	0.20
2005-01-01	0.20
2006-01-01	0.20
2007-01-01	0.15
2008-01-01	0.13
2009-01-01	0.18
2010-01-01	0.35
2011-01-01	0.33
2012-01-01	0.36
2013-01-01	0.57
2014-01-01	1.23
2015-01-01	1.19
2016-01-01	0.88