Year	Percent
2000-01-01	13.20000
2001-01-01	17.20000
2002-01-01	17.20000
2003-01-01	19.90000
2004-01-01	22.30000
2005-01-01	19.80000
2006-01-01	17.80000
2007-01-01	14.30000
2008-01-01	18.90000
2009-01-01	24.00000
2010-01-01	24.68500
2011-01-01	12.85570
2012-01-01	10.87060
2013-01-01	12.27850
2014-01-01	9.36847
2015-01-01	8.30735
2016-01-01	8.10823