Year	Percent
1999-01-01	0.049683000000000000
2000-01-01	0.051969000000000010
2001-01-01	0.047056000000000000
2002-01-01	0.058015000000000000
2003-01-01	0.055192999999999990
2004-01-01	0.051984000000000000
2005-01-01	0.050307000000000000
2006-01-01	0.055041999999999994
2007-01-01	0.065916999999999990
2008-01-01	0.064205000000000000
2009-01-01	0.060015000000000000
2010-01-01	0.086062000000000000
2011-01-01	0.121906000000000000
2012-01-01	0.098832000000000000
2013-01-01	0.087090000000000000
2014-01-01	0.121826000000000000