Year Dollars 1992-01-01 19393655 1997-01-01 111139370 2002-01-01 43814560 2003-01-01 32276159 2004-01-01 44885128 2005-01-01 47178097 2006-01-01 50905302 2007-01-01 45136934 2008-01-01 64534517 2009-01-01 56805601 2010-01-01 88764884 2011-01-01 148583580 2012-01-01 68512593 2013-01-01 98795333 2014-01-01 74714002 2015-01-01 57531942 2016-01-01 47496327