Year	Percent
2002-01-01	18.10000
2003-01-01	17.00000
2004-01-01	10.30000
2005-01-01	10.20000
2006-01-01	7.50000
2007-01-01	8.10000
2008-01-01	7.40000
2009-01-01	8.80000
2010-01-01	8.96406
2011-01-01	10.11290
2012-01-01	11.57270
2013-01-01	11.53480
2014-01-01	11.10750
2015-01-01	10.53230
2016-01-01	13.20640