Year	Percent
1994-01-01	13.6181000000000000
1995-01-01	10.9051000000000000
1996-01-01	12.9316000000000000
1997-01-01	12.9316000000000000
1998-01-01	0.8422139999999999
1999-01-01	1.0921800000000000
2000-01-01	1.1990900000000000
2001-01-01	1.2234800000000000
2002-01-01	1.3558100000000000
2003-01-01	1.5976299999999999
2004-01-01	1.7849900000000000
2005-01-01	1.9553599999999998
2006-01-01	1.9916400000000000
2007-01-01	2.0555100000000000
2008-01-01	2.1568500000000000
2009-01-01	2.0811800000000000
2010-01-01	1.8173599999999999
2011-01-01	1.6554600000000000
2012-01-01	1.5905600000000000
2013-01-01	1.6448099999999999
2014-01-01	1.6113800000000000
2015-01-01	1.7121900000000000
2016-01-01	1.5768100000000000