Year	Percent
2002-01-01	1.15924000000000000
2003-01-01	1.14276000000000000
2004-01-01	1.15393000000000000
2005-01-01	0.85106700000000000
2006-01-01	0.76570600000000000
2007-01-01	0.68771800000000000
2008-01-01	0.74204700000000000
2009-01-01	0.52203600000000000
2010-01-01	0.43135500000000004
2011-01-01	0.40457000000000000
2012-01-01	0.44042299999999995
2013-01-01	0.37339300000000000
2014-01-01	0.37482300000000000
2015-01-01	0.41596000000000005