Year Dollars 1992-01-01 84526813 1997-01-01 103736763 2002-01-01 158485471 2003-01-01 235209646 2004-01-01 265684963 2005-01-01 305827169 2006-01-01 460839884 2007-01-01 717462410 2008-01-01 865588692 2009-01-01 540663532 2010-01-01 369849992 2011-01-01 764589208 2012-01-01 364681254 2013-01-01 341210854 2014-01-01 397773814 2015-01-01 216812685 2016-01-01 206112771