Year	Percent
1993-01-01	10.1425000000000000
1994-01-01	10.1425000000000000
1995-01-01	10.1425000000000000
1996-01-01	10.1425000000000000
1997-01-01	5.9041700000000000
1998-01-01	5.1700000000000000
1999-01-01	5.3275000000000000
2000-01-01	6.8966699999999990
2001-01-01	4.1158300000000000
2002-01-01	2.6141700000000000
2003-01-01	2.8583300000000000
2004-01-01	3.5512500000000000
2005-01-01	3.8800000000000000
2006-01-01	3.5462500000000000
2007-01-01	3.6875000000000000
2008-01-01	3.0531500000000000
2009-01-01	2.1590000000000003
2010-01-01	1.9415000000000000
2011-01-01	2.9603300000000000
2012-01-01	2.9680000000000000
2013-01-01	3.2341700000000000
2014-01-01	2.9075000000000000
2015-01-01	2.3700000000000000
2016-01-01	1.9250000000000000