Year	Percent
1996-01-01	1.0013299999999998
1997-01-01	1.9893400000000000
1998-01-01	2.0828200000000000
1999-01-01	2.6088100000000000
2000-01-01	2.4254100000000000
2001-01-01	2.4754800000000000
2002-01-01	2.6118799999999998
2003-01-01	2.5480500000000000
2004-01-01	1.5815000000000000
2005-01-01	1.6529400000000000
2006-01-01	2.1293400000000000
2007-01-01	1.7626400000000002
2008-01-01	1.9593700000000000
2009-01-01	1.9267299999999998
2010-01-01	1.9922400000000002
2011-01-01	2.7220700000000000
2012-01-01	2.2155099999999996
2013-01-01	2.0510400000000000
2014-01-01	1.5856200000000000
2015-01-01	1.9583700000000002
2016-01-01	1.2083600000000000