Year Dollars 1992-01-01 2928452 1997-01-01 660941 2002-01-01 1349972 2003-01-01 1914356 2004-01-01 1098446 2005-01-01 6515282 2006-01-01 15512222 2007-01-01 4699013 2008-01-01 21201197 2009-01-01 21077298 2010-01-01 21572730 2011-01-01 70844034 2012-01-01 39711014 2013-01-01 49929215 2014-01-01 40376016 2015-01-01 79278017 2016-01-01 53080050