Year	Percent
2002-01-01	14.15964701163250
2003-01-01	10.33028812368240
2004-01-01	7.82908704883234
2005-01-01	10.83435884814140
2006-01-01	7.34144608278559
2007-01-01	11.39189668071030
2008-01-01	17.48944864299300
2009-01-01	7.42764305914912
2010-01-01	7.28992796890229
2011-01-01	8.48816751849400
2012-01-01	6.83178703418540
2013-01-01	7.57730681741400
2014-01-01	9.86111285574915
2015-01-01	7.74869687621311
2016-01-01	8.83424868336493
2017-01-01	12.41963239071370