Year	Percent
1998-01-01	75.0000
1999-01-01	71.9000
2000-01-01	51.3000
2001-01-01	61.6000
2002-01-01	59.6000
2003-01-01	50.0000
2004-01-01	138.0000
2005-01-01	131.4000
2006-01-01	109.9000
2007-01-01	100.4000
2008-01-01	77.1000
2009-01-01	58.2000
2010-01-01	61.3548
2011-01-01	59.4538
2012-01-01	62.9719
2013-01-01	65.5734
2014-01-01	49.4342
2015-01-01	48.8216
2016-01-01	50.2519