Year Dollars 1992-01-01 9369822 1997-01-01 6850244 2002-01-01 4169761 2003-01-01 4898977 2004-01-01 11113716 2005-01-01 3602186 2006-01-01 4350613 2007-01-01 3995481 2008-01-01 7678753 2009-01-01 61711132 2014-01-01 1387718 2015-01-01 999034 2016-01-01 764892