Year	Percent
1996-01-01	25.34
1997-01-01	45.09
1998-01-01	39.41
1999-01-01	19.00
2000-01-01	15.75
2001-01-01	19.00
2002-01-01	25.00
2003-01-01	16.50
2004-01-01	17.75
2005-01-01	18.00
2006-01-01	13.25
2007-01-01	11.25
2008-01-01	13.75
2009-01-01	8.75
2010-01-01	10.75
2011-01-01	11.00
2012-01-01	7.25
2013-01-01	10.00
2014-01-01	11.75
2015-01-01	14.25
2016-01-01	13.75
2017-01-01	7.00