Year	Percent
2002-01-01	0.71
2003-01-01	0.93
2004-01-01	0.89
2005-01-01	0.83
2006-01-01	1.07
2007-01-01	1.30
2008-01-01	1.46
2009-01-01	1.32
2010-01-01	1.05
2011-01-01	0.97
2012-01-01	0.98
2013-01-01	0.98
2014-01-01	0.93
2015-01-01	1.13
2016-01-01	1.16