Year Dollars 1997-01-01 3191610 2002-01-01 379859 2003-01-01 774987 2004-01-01 447116 2005-01-01 312859 2006-01-01 3173843 2007-01-01 2160693 2008-01-01 5777924 2009-01-01 7182565 2010-01-01 7106309 2011-01-01 2902057 2012-01-01 3803711 2013-01-01 2037818 2014-01-01 4380123 2015-01-01 898569 2016-01-01 1784591