Year Dollars 1992-01-01 47070 1997-01-01 69861 2002-01-01 47744 2007-01-01 448387 2008-01-01 724230 2009-01-01 701874 2010-01-01 701178 2011-01-01 850350 2012-01-01 856226 2013-01-01 741055 2014-01-01 682965 2015-01-01 219684 2016-01-01 432755