Year Dollars 1992-01-01 104785 1997-01-01 875920 2002-01-01 3653753 2003-01-01 6094266 2004-01-01 16797035 2005-01-01 9158703 2006-01-01 8883963 2007-01-01 7037549 2008-01-01 16726990 2009-01-01 9939382 2010-01-01 19077417 2011-01-01 20935544 2012-01-01 17448661 2013-01-01 43765146 2014-01-01 12341550 2015-01-01 4080268 2016-01-01 4997758