Year	Percent
2005-01-01	0.56117600000000000
2006-01-01	0.43683400000000000
2007-01-01	0.42998100000000006
2008-01-01	0.49434700000000004
2009-01-01	0.50986500000000000
2010-01-01	0.42433600000000000
2011-01-01	0.43318999999999996
2012-01-01	0.46827600000000000
2013-01-01	0.44785100000000000
2014-01-01	0.41273300000000000
2015-01-01	0.35982900000000000