Year Dollars 1992-01-01 28308421 1997-01-01 37419369 2002-01-01 50557361 2003-01-01 57823735 2004-01-01 112944741 2005-01-01 53121894 2006-01-01 173498652 2007-01-01 91413303 2008-01-01 217766007 2009-01-01 168760818 2010-01-01 87944393 2011-01-01 194247453 2012-01-01 67935904 2013-01-01 55391932 2014-01-01 81706718 2015-01-01 93371023 2016-01-01 80657215