Year	Percent
1996-01-01	45.4545
1997-01-01	45.7743
1998-01-01	42.8571
1999-01-01	45.4434
2000-01-01	43.5630
2001-01-01	46.1105
2002-01-01	41.0772
2003-01-01	66.6667
2004-01-01	36.3831
2005-01-01	38.6469
2006-01-01	43.1738
2007-01-01	48.9486
2008-01-01	50.0000
2009-01-01	39.5833
2010-01-01	49.9235
2011-01-01	44.5994
2012-01-01	50.0000