Year	Percent
1999-01-01	0.43198000000000003
2000-01-01	0.40962100000000000
2001-01-01	0.41273200000000000
2002-01-01	0.41248800000000000
2003-01-01	0.32788100000000000
2004-01-01	0.25377400000000000
2005-01-01	0.30535500000000004
2006-01-01	1.06255000000000000
2007-01-01	0.32159499999999996
2008-01-01	0.38903499999999996
2009-01-01	0.50350600000000000
2010-01-01	0.69266800000000010
2011-01-01	0.74417200000000010
2012-01-01	1.10400000000000000
2013-01-01	1.35299000000000000
2014-01-01	1.26002000000000010
2015-01-01	1.68360000000000000
2016-01-01	1.60253000000000000