Year	Percent
1996-01-01	3.3238500000000000
1997-01-01	5.9072200000000000
1998-01-01	5.6556700000000000
1999-01-01	4.9859100000000000
2000-01-01	6.5945100000000005
2001-01-01	9.9581100000000010
2002-01-01	4.6729800000000000
2003-01-01	0.5719250000000000
2004-01-01	8.8063899999999990
2005-01-01	5.3812900000000000
2006-01-01	0.7941630000000001
2007-01-01	11.0824000000000000
2008-01-01	7.5599600000000000
2009-01-01	5.6322300000000000
2010-01-01	2.9740200000000000
2011-01-01	3.0520500000000000
2012-01-01	1.6800500000000000
2013-01-01	1.5577800000000000
2014-01-01	3.6967199999999996
2015-01-01	4.3114700000000000
2016-01-01	17.1907000000000000