Year Dollars 1997-01-01 4871930 2002-01-01 96682 2003-01-01 911196 2004-01-01 1908789 2005-01-01 1006925 2006-01-01 2767187 2007-01-01 2668163 2008-01-01 1380522 2009-01-01 4386550 2010-01-01 3265987 2011-01-01 25208634 2012-01-01 14148275 2013-01-01 18095153 2014-01-01 11384563 2015-01-01 2371613 2016-01-01 1574747