Year	Percent
2001-01-01	0.59
2002-01-01	0.54
2003-01-01	0.65
2004-01-01	0.69
2005-01-01	0.81
2006-01-01	0.87
2007-01-01	1.28
2008-01-01	1.25
2009-01-01	1.26
2010-01-01	2.02
2011-01-01	1.96
2012-01-01	1.86
2013-01-01	2.01
2014-01-01	2.12