Year Dollars 1992-01-01 519005 1997-01-01 992949 2002-01-01 750063 2003-01-01 1209888 2004-01-01 1414997 2005-01-01 855461 2006-01-01 717005 2007-01-01 1683654 2008-01-01 3166479 2009-01-01 2000546 2010-01-01 5548217 2011-01-01 4012767 2012-01-01 12814605 2013-01-01 7988125 2014-01-01 14712996 2015-01-01 5768132 2016-01-01 4173125