Year Dollars 1992-01-01 32931741 1997-01-01 43792016 2002-01-01 113971960 2003-01-01 82282960 2004-01-01 102350232 2005-01-01 124475624 2006-01-01 158351270 2007-01-01 205225338 2008-01-01 234975893 2009-01-01 202621846 2010-01-01 221743533 2011-01-01 320670300 2012-01-01 451193558 2013-01-01 284096532 2014-01-01 224722455 2015-01-01 205967011 2016-01-01 237836645