Year	Percent
1993-01-01	0.60277200000000000
1994-01-01	0.55130000000000000
1995-01-01	0.55572600000000000
1996-01-01	0.62109500000000000
1997-01-01	0.57855000000000000
1998-01-01	0.60727400000000000
1999-01-01	0.51049000000000000
2000-01-01	0.46052000000000000
2001-01-01	0.51717200000000010
2002-01-01	0.54643999999999990
2003-01-01	0.50066000000000000
2004-01-01	0.30226700000000000
2005-01-01	0.25170500000000000
2006-01-01	0.22638100000000000
2007-01-01	0.20508800000000002
2008-01-01	0.23618499999999998
2009-01-01	0.37330500000000000
2010-01-01	0.33110400000000000
2011-01-01	0.35975000000000000
2012-01-01	0.20597200000000000