Year	Percent
1996-01-01	61.1111
1997-01-01	60.0000
1998-01-01	69.2308
1999-01-01	70.3704
2000-01-01	46.1539
2001-01-01	52.7273
2002-01-01	39.5833
2003-01-01	44.8980
2004-01-01	48.0769
2005-01-01	36.7647
2006-01-01	29.5238
2007-01-01	26.4000
2008-01-01	23.4504
2009-01-01	40.0000
2010-01-01	47.4359
2011-01-01	41.9355
2012-01-01	56.2092
2013-01-01	77.5510
2014-01-01	46.7532