Year	Percent
1996-01-01	10.4680000000000000
1997-01-01	7.4817300000000010
1998-01-01	5.8334800000000010
1999-01-01	5.5173400000000000
2000-01-01	6.4835900000000000
2001-01-01	9.7558899999999990
2002-01-01	7.9562700000000000
2003-01-01	7.9376300000000000
2004-01-01	7.5150300000000000
2005-01-01	10.4859999999999990
2006-01-01	8.3585100000000000
2007-01-01	8.1643600000000000
2008-01-01	6.4145199999999996
2009-01-01	7.4184800000000010
2010-01-01	8.1573700000000000
2011-01-01	8.1845800000000000
2012-01-01	8.0668300000000000
2013-01-01	9.5643400000000000
2014-01-01	8.4699400000000000
2015-01-01	6.3067800000000010
2016-01-01	8.9633600000000000