Year	Percent
2004-01-01	5.166890000000000
2005-01-01	9.906150000000000
2006-01-01	21.223600000000000
2007-01-01	13.742100000000000
2008-01-01	18.916000000000000
2009-01-01	21.007100000000000
2010-01-01	16.022000000000002
2011-01-01	11.418700000000000
2012-01-01	10.897100000000000
2013-01-01	24.595700000000000
2014-01-01	33.623300000000000
2015-01-01	14.390300000000000
2016-01-01	10.111900000000000