Year Dollars 1992-01-01 21469540 1997-01-01 72043405 2002-01-01 119479920 2004-01-01 158150007 2005-01-01 116898510 2006-01-01 171537330 2007-01-01 183713570 2008-01-01 237642048 2009-01-01 177109036 2010-01-01 172766539 2011-01-01 217765434 2012-01-01 245020926 2013-01-01 280713295 2014-01-01 657560913 2015-01-01 156465421 2016-01-01 141060339