Year Dollars 1992-01-01 9343117 1997-01-01 79524183 2002-01-01 84501830 2003-01-01 85077780 2004-01-01 62942266 2005-01-01 60166083 2006-01-01 68430771 2007-01-01 71815547 2008-01-01 108254310 2009-01-01 75230204 2010-01-01 256021556 2011-01-01 402264605 2012-01-01 410908933 2013-01-01 286723688 2014-01-01 530540555 2015-01-01 376944070 2016-01-01 417988518