Year	Percent
1996-01-01	8.627390000000000
1997-01-01	9.902830000000000
1998-01-01	10.363700000000000
1999-01-01	7.613020000000000
2000-01-01	11.677500000000000
2001-01-01	11.467300000000000
2002-01-01	8.112219999999999
2003-01-01	7.235310000000001
2004-01-01	9.673430000000000
2005-01-01	10.793500000000000
2006-01-01	13.781600000000000
2007-01-01	8.907639999999999
2008-01-01	7.393530000000000
2009-01-01	5.786190000000000
2010-01-01	5.233400000000000
2011-01-01	6.373410000000000
2012-01-01	6.451640000000000
2013-01-01	6.778780000000000
2014-01-01	5.412020000000000
2015-01-01	10.180800000000000
2016-01-01	9.330100000000000