Year Dollars 1992-01-01 5992165 1997-01-01 9238707 2002-01-01 16251013 2003-01-01 40915063 2004-01-01 45971616 2005-01-01 69034666 2006-01-01 81477825 2007-01-01 69442598 2008-01-01 77369756 2009-01-01 45468309 2010-01-01 42516995 2011-01-01 46756715 2012-01-01 72417786 2013-01-01 109072996 2014-01-01 118746806 2015-01-01 107939524 2016-01-01 40932207