Year Percent 2003-01-01 0.00125500000000000 2004-01-01 0.07789299999999999 2005-01-01 0.31358100000000000 2006-01-01 0.17717400000000000 2007-01-01 0.05567500000000000 2008-01-01 0.04083900000000000