Year	Percent
2000-01-01	1.35
2001-01-01	1.29
2002-01-01	1.31
2003-01-01	1.21
2004-01-01	1.04
2005-01-01	1.03
2006-01-01	0.96
2007-01-01	0.97
2008-01-01	1.02
2009-01-01	1.29
2010-01-01	1.21
2011-01-01	1.55
2012-01-01	1.79
2013-01-01	1.81
2014-01-01	1.82
2015-01-01	2.01
2016-01-01	1.98