Year Dollars 2002-01-01 2716160 2003-01-01 2761029 2004-01-01 2609341 2005-01-01 3989764 2006-01-01 1857870 2007-01-01 8905726 2008-01-01 10022457 2009-01-01 1398359 2011-01-01 439058 2012-01-01 3175713 2013-01-01 3005134 2014-01-01 1226416 2015-01-01 548729 2016-01-01 224747