Year	Percent
2002-01-01	0.55
2003-01-01	0.45
2004-01-01	0.75
2005-01-01	0.97
2006-01-01	1.33
2007-01-01	1.74
2008-01-01	1.68
2009-01-01	1.75
2010-01-01	1.58
2011-01-01	1.37
2012-01-01	1.43
2013-01-01	1.45
2014-01-01	1.49
2015-01-01	2.01
2016-01-01	1.89
