Year Dollars 1992-01-01 29170071 1997-01-01 140913966 2002-01-01 61959477 2003-01-01 68749114 2004-01-01 54406646 2005-01-01 72481004 2006-01-01 75309523 2007-01-01 64026350 2008-01-01 66685735 2009-01-01 75849625 2010-01-01 77349328 2011-01-01 155500536 2012-01-01 205410230 2013-01-01 121848251 2014-01-01 102291009 2015-01-01 121139148 2016-01-01 194523871