Year Dollars 1997-01-01 70519 2002-01-01 283734 2003-01-01 865398 2004-01-01 825511 2005-01-01 304549 2006-01-01 550337 2007-01-01 494447 2008-01-01 1347653 2009-01-01 3454230 2010-01-01 1069083 2011-01-01 1686139 2012-01-01 1884277 2013-01-01 3852739 2014-01-01 3638372 2015-01-01 5323976 2016-01-01 3056405