Year	Percent
2006-01-01	1.53461574200235
2007-01-01	1.55354721853624
2008-01-01	1.76606037893224
2009-01-01	2.38248839696717
2010-01-01	2.29748034086138
2011-01-01	2.14073173949689
2012-01-01	2.04270914952824
2013-01-01	2.40818060033282
2014-01-01	2.71936073227657