Year	Percent
1997-01-01	0.8333330000000000
1998-01-01	0.8333330000000000
1999-01-01	0.8333330000000000
2000-01-01	0.8333330000000000
2001-01-01	6.0905400000000000
2002-01-01	5.2791900000000000
2003-01-01	5.7294000000000000
2004-01-01	5.1979200000000000
2005-01-01	5.0508400000000000
2006-01-01	3.6945800000000000
2007-01-01	3.6537900000000003
2008-01-01	3.3243699999999996
2009-01-01	1.7939800000000000
2010-01-01	2.8346500000000000
2011-01-01	3.0366500000000000
2012-01-01	1.7543900000000001
2013-01-01	1.5903100000000001
2014-01-01	1.0504200000000001
2015-01-01	1.0188300000000000
2016-01-01	1.4973500000000000