Year	Percent
2000-01-01	1.3520900000000000
2001-01-01	1.9641700000000000
2002-01-01	1.3387000000000000
2003-01-01	1.3139299999999998
2004-01-01	1.3400100000000001
2005-01-01	1.1988299999999998
2006-01-01	0.8719389999999999
2007-01-01	0.9139790000000001
2008-01-01	0.8890540000000001
2009-01-01	0.9242510000000000
2010-01-01	0.9113240000000000
2011-01-01	0.9284800000000000
2012-01-01	0.8859440000000001
2013-01-01	0.9195250000000000
2014-01-01	0.9813250000000000
2015-01-01	1.0121200000000001