Year	Percent
2000-01-01	0.39886100000000000
2001-01-01	0.37200900000000003
2002-01-01	0.41608300000000000
2003-01-01	0.21016100000000001
2004-01-01	0.49354700000000000
2005-01-01	0.41451800000000005
2006-01-01	0.38988300000000000
2007-01-01	0.39083500000000000
2008-01-01	0.44421000000000005
2009-01-01	0.31355400000000000
2010-01-01	0.40536900000000000
2011-01-01	0.63753900000000010
2012-01-01	0.63753900000000010
2013-01-01	0.37974200000000000
2014-01-01	0.70286600000000000
2015-01-01	1.74249000000000000