Year	Percent
2003-01-01	82.710300000000000
2004-01-01	71.243500000000000
2005-01-01	75.400300000000000
2006-01-01	70.741300000000000
2007-01-01	68.633100000000000
2008-01-01	80.030000000000000
2009-01-01	75.344800000000000
2010-01-01	72.034300000000000
2011-01-01	61.454100000000000
2012-01-01	60.049300000000000
2013-01-01	58.251000000000005
2014-01-01	55.553200000000000
2015-01-01	51.956500000000000
2016-01-01	48.909100000000000