Year Dollars 1992-01-01 3006258 1997-01-01 2507528 2002-01-01 1603689 2003-01-01 1715134 2004-01-01 2708459 2005-01-01 4944482 2006-01-01 4977995 2007-01-01 7844084 2008-01-01 6430130 2009-01-01 2676707 2010-01-01 3021648 2011-01-01 3154196 2012-01-01 11697335 2013-01-01 5950855 2014-01-01 5034290 2015-01-01 6157553 2016-01-01 38550324