Year	Percent
1996-01-01	78.5250
1997-01-01	79.2392
1998-01-01	78.3369
1999-01-01	100.0000
2000-01-01	100.0000
2001-01-01	100.0000
2002-01-01	100.0000
2003-01-01	100.0000
2004-01-01	62.1814
2005-01-01	62.6259
2006-01-01	61.7628
2007-01-01	59.9330
2008-01-01	60.3758
2009-01-01	60.1397
2010-01-01	60.6064
2011-01-01	72.0858
2012-01-01	69.1746
2013-01-01	76.0120
2014-01-01	76.5270
2015-01-01	76.7348
2016-01-01	77.0401