Year	Percent
1995-01-01	16.5323000000000000
1996-01-01	9.0352500000000000
1997-01-01	10.8392000000000000
1998-01-01	8.2781300000000000
1999-01-01	5.5271200000000000
2000-01-01	6.9456899999999990
2001-01-01	9.3979300000000000
2002-01-01	3.6858000000000000
2003-01-01	4.8768600000000000
2004-01-01	7.7670000000000000
2005-01-01	5.0221599999999995
2006-01-01	6.6686600000000010
2007-01-01	8.3200500000000000
2008-01-01	4.7104599999999990
2009-01-01	8.9103700000000000
2010-01-01	9.7637700000000000
2011-01-01	9.1834300000000000
2012-01-01	7.9130100000000010
2013-01-01	4.6509100000000000
2014-01-01	4.3676000000000000
2015-01-01	3.0610700000000000
2016-01-01	1.6973099999999999