Year Dollars 1992-01-01 63809165 1997-01-01 51290987 2002-01-01 110936269 2003-01-01 147767006 2004-01-01 195005631 2005-01-01 322973350 2006-01-01 335977200 2007-01-01 489324341 2008-01-01 668679632 2009-01-01 750006483 2010-01-01 1010280020 2011-01-01 857183220 2012-01-01 979352004 2013-01-01 887111976 2014-01-01 894218702 2015-01-01 909355577 2016-01-01 766892782