Year	Percent
2006-01-01	30.0184032775456
2007-01-01	30.1161043722494
2008-01-01	30.3953947627798
2009-01-01	30.1522556433315
2010-01-01	31.6667989088749
2011-01-01	33.2968944400296
2012-01-01	33.7192542777693
2013-01-01	34.2761595172963
2014-01-01	34.2575627957620