Year Dollars 1997-01-01 4834086 2003-01-01 326840 2004-01-01 8297088 2005-01-01 1726664 2006-01-01 714006 2007-01-01 2249686 2008-01-01 4905201 2009-01-01 9579875 2010-01-01 8797691 2011-01-01 6784973 2012-01-01 20482332 2013-01-01 4783292 2014-01-01 6340369 2015-01-01 9804090 2016-01-01 5485826