Year	Percent
2001-01-01	10.9981000000000000
2002-01-01	11.7676000000000000
2003-01-01	11.0370000000000000
2004-01-01	10.7911000000000000
2005-01-01	9.5268600000000010
2006-01-01	9.2725100000000000
2007-01-01	7.9602100000000010
2008-01-01	6.0085100000000000
2009-01-01	6.3693800000000005
2010-01-01	7.1960700000000000
2011-01-01	5.6334700000000000
2012-01-01	7.7110699999999990
2013-01-01	10.4813000000000000
2014-01-01	11.2534000000000000
2015-01-01	9.8969399999999990
2016-01-01	10.5794000000000000