Year	Percent
1996-01-01	12.4298000000000000
1997-01-01	6.7610000000000000
1998-01-01	10.8742000000000000
1999-01-01	7.9661899999999990
2000-01-01	8.3230300000000010
2001-01-01	8.5196100000000000
2002-01-01	9.8445700000000000
2003-01-01	9.6825600000000000
2004-01-01	10.5535000000000000
2005-01-01	10.5046000000000000
2006-01-01	10.3170000000000000
2007-01-01	11.2133000000000000
2008-01-01	12.4024000000000000
2009-01-01	9.1473800000000000
2010-01-01	9.5081500000000000
2011-01-01	10.4075000000000000
2012-01-01	10.0173000000000000
2013-01-01	9.5233700000000000
2014-01-01	5.5887400000000005
2015-01-01	7.5148100000000010
2016-01-01	2.7099800000000000