Year Dollars 1992-01-01 837759 1997-01-01 1290877 2002-01-01 3802091 2003-01-01 6028094 2004-01-01 4044917 2005-01-01 5466677 2006-01-01 5648636 2007-01-01 3757976 2008-01-01 130857268 2009-01-01 67814327 2010-01-01 20441625 2011-01-01 9033260 2012-01-01 6333583 2013-01-01 21344500 2014-01-01 83341709 2015-01-01 39406460 2016-01-01 34799494