Year	Percent
1995-01-01	1.5258800000000000
1996-01-01	1.5704700000000000
1997-01-01	1.4501200000000000
1998-01-01	1.3416500000000000
1999-01-01	1.3953500000000000
2000-01-01	1.4026900000000000
2001-01-01	1.3739100000000000
2002-01-01	1.5320600000000000
2003-01-01	1.5140700000000000
2004-01-01	1.4724899999999999
2005-01-01	1.3827800000000000
2006-01-01	1.4209300000000000
2007-01-01	1.3195800000000000
2008-01-01	1.3484399999999999
2009-01-01	1.4509600000000000
2010-01-01	1.4243200000000000
2011-01-01	1.4661899999999999
2012-01-01	1.5636000000000000
2013-01-01	1.5467500000000000
2014-01-01	1.5979000000000000
2015-01-01	1.5282400000000000
2016-01-01	1.4443000000000000