Year	Percent
2005-01-01	40.9006656392580
2006-01-01	42.1000076018755
2007-01-01	42.4436933428794
2008-01-01	42.2853735679211
2009-01-01	42.7676828563375
2010-01-01	42.5274205906196
2011-01-01	42.8449648740900
2012-01-01	43.8542824330260
2013-01-01	43.8825472513998
2014-01-01	43.0539540361089
2015-01-01	43.3512045413552
2016-01-01	43.4015119325644
2017-01-01	42.9596250980758