Year	Percent
2005-01-01	0.028600000000000000
2006-01-01	0.028055000000000000
2007-01-01	0.029700000000000000
2008-01-01	0.041591000000000000
2009-01-01	0.049964999999999996
2010-01-01	0.044770000000000000
2011-01-01	0.036311000000000000
2012-01-01	0.033414000000000000
2013-01-01	0.035997000000000000
2014-01-01	0.036135000000000000
2015-01-01	0.045155000000000000
2016-01-01	0.047682999999999996
2017-01-01	0.041898000000000005