Year	Percent
1996-01-01	75.0000
1997-01-01	78.2609
1998-01-01	29.8246
1999-01-01	23.8095
2000-01-01	33.3333
2001-01-01	28.5714
2002-01-01	36.8421
2003-01-01	36.2319
2004-01-01	41.5094
2005-01-01	22.8814
2006-01-01	20.4380
2007-01-01	26.3158
2008-01-01	20.4545
2009-01-01	19.4118