Year	Percent
1996-01-01	57.1429
1997-01-01	57.1429
1998-01-01	33.3333
1999-01-01	33.3333
2000-01-01	30.0000
2001-01-01	33.3333
2002-01-01	30.7692
2003-01-01	38.4615
2004-01-01	42.8571
2005-01-01	40.0000
2006-01-01	36.8421
2007-01-01	31.8182
2008-01-01	45.4545
2009-01-01	40.0000