Year Dollars 1992-01-01 383438 1997-01-01 346205 2002-01-01 337602 2003-01-01 289205 2004-01-01 488609 2005-01-01 1414014 2006-01-01 910364 2007-01-01 1387848 2008-01-01 2270862 2009-01-01 854699 2010-01-01 1026730 2011-01-01 595694 2012-01-01 531873 2013-01-01 434165 2014-01-01 442367 2015-01-01 831442 2016-01-01 663497