Year Dollars 1992-01-01 64662 1997-01-01 916937 2002-01-01 1915465 2003-01-01 896704 2004-01-01 899426 2005-01-01 1480578 2006-01-01 1939540 2007-01-01 9438901 2008-01-01 4235851 2009-01-01 2501524 2010-01-01 2883486 2011-01-01 6871749 2012-01-01 29922339 2013-01-01 12541223 2014-01-01 6853978 2015-01-01 6408450 2016-01-01 4869988