Year	Percent
2000-01-01	1.7000000000000000
2001-01-01	1.7000000000000000
2002-01-01	1.7000000000000000
2003-01-01	1.7000000000000000
2004-01-01	1.7000000000000000
2005-01-01	1.7000000000000000
2006-01-01	1.7000000000000000
2007-01-01	1.7000000000000000
2008-01-01	1.7000000000000000
2009-01-01	1.7000000000000000
2010-01-01	1.7000000000000000
2011-01-01	1.7000000000000000
2012-01-01	2.6206099999999997
2013-01-01	3.6134300000000000
2014-01-01	3.5494600000000000
2015-01-01	3.7343500000000000
2016-01-01	4.8526400000000000