Year Dollars 1992-01-01 1939643 1997-01-01 1563998 2002-01-01 2439723 2003-01-01 3925700 2004-01-01 4296393 2005-01-01 2019664 2006-01-01 1755383 2007-01-01 16858003 2008-01-01 9087661 2009-01-01 3059599 2010-01-01 2161256 2011-01-01 3714142 2012-01-01 2157839 2013-01-01 3497443 2014-01-01 6137923 2015-01-01 3348730 2016-01-01 3486297