Year	Percent
1994-01-01	0.01188900000000000
1995-01-01	0.01613200000000000
1996-01-01	0.04912900000000000
1997-01-01	0.08949400000000000
1998-01-01	0.12423200000000000
1999-01-01	0.14022300000000001
2000-01-01	0.13140600000000000
2001-01-01	0.13844000000000000
2002-01-01	0.12394700000000000
2003-01-01	0.12481700000000001
2004-01-01	0.12515900000000000
2005-01-01	0.17186700000000002
2006-01-01	0.19957200000000000
2007-01-01	0.22447399999999998
2008-01-01	0.26186000000000000
2009-01-01	0.26225700000000000
2010-01-01	0.27588700000000000
2011-01-01	0.27783100000000000
2012-01-01	0.24713300000000000
2013-01-01	0.24114400000000000
2014-01-01	0.25336100000000000
2015-01-01	0.27441800000000000