Year Dollars 1992-01-01 630645 1997-01-01 1432513 2002-01-01 636379 2003-01-01 620345 2004-01-01 1070016 2005-01-01 3606850 2006-01-01 5159651 2007-01-01 4654335 2008-01-01 4445891 2009-01-01 3737471 2010-01-01 2137092 2011-01-01 1355397 2012-01-01 6152167 2013-01-01 2262376 2014-01-01 3816891 2015-01-01 1898251 2016-01-01 1480490