Year Dollars 1992-01-01 170670 1997-01-01 479206 2002-01-01 2014467 2003-01-01 2457168 2004-01-01 6807251 2005-01-01 2602117 2006-01-01 74631073 2008-01-01 5855879 2009-01-01 17098928 2010-01-01 11866410 2011-01-01 45930043 2013-01-01 543767794 2014-01-01 367953257 2016-01-01 111694677