Year	Percent
1996-01-01	70.0000
1997-01-01	62.5000
1998-01-01	62.5000
1999-01-01	62.5000
2000-01-01	62.5000
2001-01-01	62.5000
2002-01-01	57.1429
2003-01-01	45.8333
2004-01-01	52.6316
2005-01-01	50.0000
2006-01-01	52.3810
2007-01-01	46.2185
2008-01-01	36.1538
2009-01-01	28.1250
2010-01-01	31.4516
2011-01-01	32.4561
2012-01-01	29.5082
2013-01-01	28.5344
2014-01-01	28.6421