Year	Percent
2000-01-01	64.2000
2001-01-01	64.2000
2002-01-01	64.2000
2003-01-01	42.9000
2004-01-01	44.6000
2005-01-01	40.1000
2006-01-01	40.1000
2007-01-01	37.2000
2008-01-01	37.6000
2009-01-01	34.5000
2010-01-01	43.6804
2011-01-01	66.2903
2012-01-01	65.8608
2013-01-01	66.6964
2014-01-01	69.7352
2015-01-01	71.2123
2016-01-01	74.4229