Year	Percent
1996-01-01	1.8178000000000000
1997-01-01	1.5323900000000000
1998-01-01	1.7612700000000001
1999-01-01	1.7253300000000000
2000-01-01	1.5632600000000000
2001-01-01	1.4141900000000000
2002-01-01	1.4556000000000000
2003-01-01	1.4271200000000002
2004-01-01	1.1208900000000000
2005-01-01	1.0605700000000000
2006-01-01	1.2199300000000000
2007-01-01	1.2245500000000000
2008-01-01	1.0350100000000000
2009-01-01	1.1272700000000000
2010-01-01	1.1724400000000000
2011-01-01	1.1247800000000000
2012-01-01	1.2275600000000000
2013-01-01	1.1578000000000000
2014-01-01	1.0088700000000002
2015-01-01	1.1036600000000000
2016-01-01	1.1898600000000001