Year Dollars 1997-01-01 19468 2002-01-01 931688 2003-01-01 276414 2004-01-01 607461 2006-01-01 424612 2007-01-01 1285439 2008-01-01 509346 2009-01-01 810653 2010-01-01 6349600 2013-01-01 1809626 2014-01-01 588971 2016-01-01 1339713