Year	Percent
1996-01-01	91.7583
1997-01-01	15.2750
1998-01-01	24.7417
1999-01-01	26.0333
2000-01-01	17.9250
2001-01-01	11.3000
2002-01-01	10.7000
2003-01-01	8.0000
2004-01-01	6.2000
2005-01-01	7.5000
2006-01-01	6.5000
2007-01-01	5.6000
2008-01-01	8.5000
2009-01-01	5.5000
2010-01-01	4.2000
2011-01-01	3.6000
2012-01-01	3.3000
2013-01-01	4.3000
2014-01-01	6.0000
2015-01-01	5.3700
2016-01-01	5.3300