Year	Percent
1996-01-01	37.6812
1997-01-01	37.5000
1998-01-01	37.5000
1999-01-01	35.2113
2000-01-01	36.0760
2001-01-01	37.4302
2002-01-01	46.6926
2003-01-01	47.3430
2004-01-01	57.2115
2005-01-01	55.4878
2006-01-01	58.6957
2007-01-01	66.0000
2008-01-01	64.0310
2009-01-01	76.8879
2010-01-01	60.0306
2011-01-01	69.2064
2012-01-01	67.8675
2013-01-01	61.2256
2014-01-01	61.1511