Year Dollars 1997-01-01 591383 2002-01-01 300265 2003-01-01 352536 2004-01-01 244566 2005-01-01 89441 2006-01-01 421221 2007-01-01 655256 2008-01-01 1264055 2009-01-01 404588 2010-01-01 117361 2011-01-01 419145 2012-01-01 652696 2013-01-01 1088725 2014-01-01 996249 2015-01-01 245749 2016-01-01 284458