Year Dollars 1997-01-01 444680 2002-01-01 657050 2003-01-01 1347114 2004-01-01 574056 2005-01-01 320779 2006-01-01 721812 2007-01-01 555736 2008-01-01 426609 2009-01-01 625891 2010-01-01 2491127 2011-01-01 252106 2012-01-01 391672 2013-01-01 68842 2014-01-01 160183 2015-01-01 502517 2016-01-01 825674