Year	Percent
2005-01-01	3.0143100000000000
2006-01-01	4.0201000000000000
2007-01-01	1.6799600000000000
2008-01-01	9.7678800000000000
2009-01-01	4.0851100000000000
2010-01-01	1.2883700000000000
2011-01-01	3.8036199999999996
2012-01-01	5.0975800000000010
2013-01-01	5.4494800000000000
2014-01-01	2.9878099999999996
2015-01-01	3.6653300000000004
2016-01-01	3.3345599999999997