Year	Percent
1995-01-01	11.5738000000000000
1996-01-01	7.2805100000000005
1997-01-01	0.0762440000000000
1998-01-01	7.0171700000000000
1999-01-01	8.7313800000000000
2000-01-01	7.8234699999999995
2001-01-01	6.5070000000000010
2002-01-01	7.2864200000000000
2003-01-01	7.4407000000000000
2004-01-01	7.0641600000000000
2005-01-01	4.7497300000000005
2006-01-01	3.6669099999999997
2007-01-01	5.2725100000000000
2008-01-01	4.1732700000000000
2009-01-01	4.0652000000000000
2010-01-01	3.9924900000000000
2011-01-01	5.2890000000000000
2012-01-01	6.0197000000000000
2013-01-01	7.5140699999999990
2014-01-01	4.5243500000000000
2015-01-01	4.3125400000000000
2016-01-01	3.8991000000000000