Year	Percent
2002-01-01	1.5847900000000000
2003-01-01	2.6856200000000000
2004-01-01	1.8162400000000000
2005-01-01	1.9882700000000000
2006-01-01	0.9475469999999999
2007-01-01	1.9587599999999998
2008-01-01	1.9587599999999998
2009-01-01	1.9587599999999998
2010-01-01	1.9587599999999998
2011-01-01	2.5145100000000000
2012-01-01	3.0571700000000000
2013-01-01	2.6811200000000000
2014-01-01	1.9613200000000002
2015-01-01	1.9185400000000001
2016-01-01	2.1122200000000000