Year Dollars 1992-01-01 45736090 1997-01-01 18282653 2002-01-01 105303068 2003-01-01 59878315 2004-01-01 245104821 2005-01-01 238987915 2006-01-01 191340305 2007-01-01 319429049 2008-01-01 302133432 2009-01-01 178511520 2010-01-01 239250740 2012-01-01 3645107 2013-01-01 11058009 2014-01-01 23094583 2015-01-01 13523004 2016-01-01 18108614