Year	Percent
1996-01-01	80.50460000000000
1997-01-01	75.79720000000000
1998-01-01	69.50920000000000
1999-01-01	73.91300000000000
2000-01-01	93.74600000000001
2001-01-01	92.51130000000000
2002-01-01	93.34570000000000
2003-01-01	95.50590000000000
2004-01-01	96.39630000000000
2005-01-01	96.39630000000000
2006-01-01	100.00000000000000
2007-01-01	100.00000000000000
2008-01-01	100.00000000000000
2009-01-01	100.00000000000000
2010-01-01	100.00000000000000
2011-01-01	100.00000000000000
2012-01-01	100.00000000000000
2013-01-01	100.00000000000000
2014-01-01	100.00000000000000
2015-01-01	100.00000000000000