Year	Percent
1996-01-01	0.72395700000000000
1997-01-01	0.71503000000000000
1998-01-01	0.70650600000000010
1999-01-01	0.54449900000000000
2000-01-01	0.46493900000000005
2001-01-01	0.58817200000000000
2002-01-01	0.65217900000000000
2003-01-01	0.85833400000000000
2004-01-01	1.02736000000000000
2005-01-01	0.93262800000000000
2006-01-01	1.08911000000000000
2007-01-01	1.18242000000000000
2008-01-01	1.14273000000000000
2009-01-01	1.14717999999999990
2010-01-01	1.10933000000000000
2011-01-01	1.06184000000000000
2012-01-01	1.07939000000000000
2013-01-01	1.04566000000000000
2014-01-01	0.92456399999999990
2015-01-01	0.86315700000000000