Year Dollars 1997-01-01 166293 2004-01-01 179593 2005-01-01 1487177 2006-01-01 1189006 2007-01-01 844551 2008-01-01 6473471 2009-01-01 6843619 2010-01-01 6717574 2011-01-01 2437044 2012-01-01 3217338 2013-01-01 2869350 2014-01-01 3667125 2015-01-01 2679707 2016-01-01 4285638