Year Dollars 1992-01-01 72841 2002-01-01 44337 2006-01-01 1407430 2007-01-01 1488239 2008-01-01 2588318 2009-01-01 580777 2010-01-01 537395 2011-01-01 124647 2012-01-01 144789 2013-01-01 380592 2014-01-01 162782 2015-01-01 266230 2016-01-01 258526