Year	Percent
1995-01-01	18.5126000000000000
1996-01-01	20.6499000000000000
1997-01-01	17.3984000000000000
1998-01-01	12.1700000000000000
1999-01-01	17.5026000000000000
2000-01-01	14.1065000000000000
2001-01-01	20.2720000000000020
2002-01-01	13.5349000000000000
2003-01-01	14.3721000000000000
2004-01-01	15.3966000000000000
2005-01-01	11.4994000000000000
2006-01-01	9.2786300000000000
2007-01-01	9.2994399999999990
2008-01-01	5.6332400000000000
2009-01-01	7.1982000000000000
2010-01-01	3.5876300000000003
2011-01-01	3.8366000000000000
2012-01-01	2.9124500000000000
2013-01-01	3.2217400000000000
2014-01-01	2.6807000000000000
2015-01-01	4.4729300000000000
2016-01-01	6.0821500000000000