Year	Percent
2000-01-01	32.29818
2001-01-01	30.31279
2002-01-01	25.54057
2003-01-01	20.54502
2004-01-01	20.39443
2005-01-01	15.49206
2006-01-01	20.55024
2007-01-01	23.09787
2008-01-01	27.90800
2009-01-01	27.49044
2010-01-01	25.46505