Year	Percent
1996-01-01	0.9003399999999999
1997-01-01	1.1572300000000000
1998-01-01	1.0674200000000000
1999-01-01	1.2426600000000000
2000-01-01	1.1019600000000000
2001-01-01	1.0824900000000000
2002-01-01	0.9452680000000000
2003-01-01	0.9795630000000000
2004-01-01	0.9526670000000000
2005-01-01	1.1191200000000001
2006-01-01	1.1624000000000000
2007-01-01	1.0411800000000000
2008-01-01	1.0902700000000000
2009-01-01	1.1417700000000002
2010-01-01	1.1945400000000000
2011-01-01	1.1769399999999999
2012-01-01	1.1845500000000000
2013-01-01	1.2362200000000000
2014-01-01	1.0759500000000000
2015-01-01	1.1229000000000000
2016-01-01	1.1848000000000000