Year Dollars 1992-01-01 4335617 1997-01-01 8100976 2002-01-01 36481086 2003-01-01 45603955 2004-01-01 9710278 2005-01-01 51530750 2006-01-01 54818065 2007-01-01 127915580 2008-01-01 19106648 2009-01-01 50833110 2010-01-01 17731891 2011-01-01 19454526 2012-01-01 48348956 2013-01-01 12162347 2014-01-01 20943482 2015-01-01 12380100 2016-01-01 10004532