Year Dollars 1992-01-01 37695829 1997-01-01 30573218 2002-01-01 91899751 2003-01-01 122519260 2004-01-01 123646861 2005-01-01 103161817 2006-01-01 103712305 2007-01-01 226048980 2008-01-01 392314982 2009-01-01 298438657 2010-01-01 346015863 2011-01-01 581164146 2012-01-01 569855683 2013-01-01 735138883 2014-01-01 647834895 2015-01-01 687462252 2016-01-01 651670898