Year	Percent
1993-01-01	0.55498800000000000
1994-01-01	0.59615100000000000
1995-01-01	0.63618900000000000
1996-01-01	0.57228000000000000
1997-01-01	0.50762500000000000
1998-01-01	0.46619799999999995
1999-01-01	0.44745300000000000
2000-01-01	0.40696800000000000
2001-01-01	0.39304700000000000
2002-01-01	0.40242900000000000
2003-01-01	0.45579400000000000
2004-01-01	0.49813800000000000
2005-01-01	0.50130400000000000
2006-01-01	0.43209899999999996
2007-01-01	0.40720900000000000
2008-01-01	0.42153300000000000
2009-01-01	0.41554399999999997
2010-01-01	0.39442200000000000
2011-01-01	0.37554499999999996
2012-01-01	0.35688100000000000
2013-01-01	0.32950300000000005
2014-01-01	0.27057600000000004
2015-01-01	0.28377300000000000
2016-01-01	0.31765000000000000