Year Dollars 1992-01-01 1595030 1997-01-01 1042467 2002-01-01 542315 2003-01-01 1368729 2004-01-01 578459 2005-01-01 1570519 2006-01-01 1425408 2007-01-01 1146153 2008-01-01 4796581 2009-01-01 5792731 2010-01-01 7780330 2011-01-01 7253355 2012-01-01 11982021 2013-01-01 5388077 2014-01-01 8646407 2015-01-01 5525639 2016-01-01 3009156