Year	Percent
1996-01-01	22.2222
1997-01-01	25.0000
1998-01-01	26.9231
1999-01-01	33.3333
2000-01-01	23.0769
2001-01-01	34.5455
2002-01-01	37.5000
2003-01-01	42.8571
2004-01-01	55.7692
2005-01-01	52.9412
2006-01-01	54.2857
2007-01-01	52.8000
2008-01-01	69.2308
2009-01-01	41.0526
2010-01-01	39.7436
2011-01-01	64.5161
2012-01-01	82.3529
2013-01-01	65.3061
2014-01-01	57.1429