Year	Percent
1995-01-01	0.29301300000000000
1996-01-01	0.35559000000000000
1997-01-01	0.32268300000000000
1998-01-01	0.35855100000000000
1999-01-01	0.29089699999999996
2000-01-01	0.33991400000000000
2001-01-01	0.38522000000000000
2002-01-01	0.48137500000000000
2003-01-01	0.53718500000000000
2004-01-01	0.56954100000000000
2005-01-01	0.50859500000000000
2006-01-01	0.50859100000000000
2007-01-01	0.57402700000000010
2008-01-01	0.57482900000000000
2009-01-01	0.64580700000000000
2010-01-01	0.67429300000000000
2011-01-01	0.62597300000000000
2012-01-01	0.58020200000000000
2013-01-01	0.53997700000000000
2014-01-01	0.54416999999999990
2015-01-01	0.57929200000000000