Year	Percent
2006-01-01	2.738421316020940
2007-01-01	6.794773539301560
2008-01-01	12.041458350510900
2009-01-01	4.530176591327980
2010-01-01	6.149885367501780
2011-01-01	11.273414605593700
2012-01-01	10.884695658563000
2013-01-01	3.805630009194380
2014-01-01	2.120001757181390
2015-01-01	0.953206658777419
2016-01-01	0.502509413611771
2017-01-01	2.716703078770830