Year	Percent
2004-01-01	98.8366
2005-01-01	75.8170
2006-01-01	70.1949
2007-01-01	67.5696
2008-01-01	69.5782
2009-01-01	69.5945
2010-01-01	69.1127
2011-01-01	67.1502
2012-01-01	66.2887
2013-01-01	63.4124
2014-01-01	61.5718
2015-01-01	55.0048
2016-01-01	66.4958