Year Dollars 1992-01-01 10379180 1997-01-01 8808321 2002-01-01 31026164 2003-01-01 4964382 2004-01-01 11011046 2005-01-01 55747096 2006-01-01 144268358 2007-01-01 52535984 2008-01-01 51509812 2009-01-01 109308115 2010-01-01 159210356 2011-01-01 69012589 2012-01-01 77225626 2013-01-01 99528332 2014-01-01 91713794 2015-01-01 59250656 2016-01-01 37821856