Year	Percent
1999-01-01	0.00630200000000000
2000-01-01	0.00535800000000000
2001-01-01	0.00524000000000000
2002-01-01	0.00524000000000000
2003-01-01	0.00524000000000000
2004-01-01	0.00524000000000000
2005-01-01	0.00524000000000000
2006-01-01	0.00524000000000000
2007-01-01	0.00524000000000000
2008-01-01	0.00524000000000000
2009-01-01	0.00524000000000000
2010-01-01	0.13058499999999998
2011-01-01	1.46495000000000000
2012-01-01	1.38114000000000000
2013-01-01	1.34785000000000000
2014-01-01	1.29861000000000000
2015-01-01	1.29088000000000000
2016-01-01	1.29936000000000000