Year Dollars 1992-01-01 7945065 1997-01-01 39879629 2002-01-01 22208558 2003-01-01 33440232 2004-01-01 35149717 2005-01-01 37668502 2006-01-01 81493165 2007-01-01 66363262 2008-01-01 67347590 2009-01-01 56135618 2010-01-01 63569787 2011-01-01 61375364 2012-01-01 66260155 2013-01-01 63911540 2014-01-01 78540638 2015-01-01 140728295 2016-01-01 127340698