Year Dollars 1992-01-01 19099372 1997-01-01 15644593 2002-01-01 11148278 2003-01-01 9089294 2004-01-01 19992107 2005-01-01 11569512 2006-01-01 11443694 2007-01-01 21842550 2008-01-01 50530701 2009-01-01 57717999 2010-01-01 47018644 2011-01-01 40553792 2012-01-01 65176652 2013-01-01 85708087 2014-01-01 46330032 2015-01-01 48311276 2016-01-01 75083488