Year Dollars 1992-01-01 121981170 1997-01-01 221224806 2002-01-01 478882108 2003-01-01 613132189 2004-01-01 923134545 2005-01-01 889576587 2006-01-01 1232274159 2007-01-01 1426493842 2008-01-01 1707979992 2009-01-01 1813310393 2010-01-01 2236102495 2011-01-01 2472493650 2012-01-01 2510403195 2013-01-01 2897705298 2014-01-01 2812653656 2015-01-01 2693580703 2016-01-01 2780945017