Year	Percent
1996-01-01	0.009670000000000000
1997-01-01	0.015031999999999998
1998-01-01	0.011649000000000000
1999-01-01	0.011950000000000000
2000-01-01	0.011315000000000000
2001-01-01	0.018994000000000000
2002-01-01	0.025129000000000000
2003-01-01	0.072728000000000000
2004-01-01	0.104821000000000000
2005-01-01	0.165092000000000020
2006-01-01	0.177339000000000000
2007-01-01	0.209732000000000030
2008-01-01	0.231223999999999990
2009-01-01	0.273649000000000000
2010-01-01	0.304913999999999960
2011-01-01	0.293242000000000000
2012-01-01	0.330762000000000000
2013-01-01	0.362854000000000000
2014-01-01	0.409493000000000000
2015-01-01	0.478897999999999930
2016-01-01	0.550640999999999900