Year	Percent
1995-01-01	0.0000000000000000
1996-01-01	0.0000000000000000
1997-01-01	9.5637700000000000
1998-01-01	9.5637700000000000
1999-01-01	9.5637700000000000
2000-01-01	9.5637700000000000
2001-01-01	9.5637700000000000
2002-01-01	2.9792400000000003
2003-01-01	5.1444800000000010
2004-01-01	5.4078500000000000
2005-01-01	5.4953800000000000
2006-01-01	6.3497600000000000
2007-01-01	5.2671500000000000
2008-01-01	4.7687400000000000
2009-01-01	5.4555900000000000
2010-01-01	4.5414500000000000
2011-01-01	4.3401600000000000
2012-01-01	4.2770400000000000
2013-01-01	5.5017200000000000