Year Dollars 1992-01-01 80666387 1997-01-01 196073658 2002-01-01 126239739 2003-01-01 125424180 2004-01-01 82152794 2005-01-01 89126011 2006-01-01 168360702 2007-01-01 138276613 2008-01-01 79918136 2009-01-01 76801210 2010-01-01 144676323 2011-01-01 87499308 2012-01-01 122998088 2013-01-01 80582569 2014-01-01 174831610 2015-01-01 64551466 2016-01-01 54368854