Year Dollars 1992-01-01 174360301 1997-01-01 250564276 2002-01-01 300334814 2003-01-01 283813397 2004-01-01 397799269 2005-01-01 499459796 2006-01-01 602298006 2007-01-01 905971123 2008-01-01 1616633741 2009-01-01 801793917 2010-01-01 688851486 2011-01-01 2030060839 2012-01-01 1114701065 2013-01-01 1191002743 2014-01-01 1038149648 2015-01-01 793891289 2016-01-01 977118239