Year Dollars 1992-01-01 295291698 1997-01-01 646029040 2002-01-01 981341152 2003-01-01 1072553664 2004-01-01 1299203118 2005-01-01 1123591957 2006-01-01 1309965933 2007-01-01 1125786486 2008-01-01 970209911 2009-01-01 969912793 2010-01-01 888370498 2011-01-01 1036540556 2012-01-01 993505983 2013-01-01 818399426 2014-01-01 879930316 2015-01-01 573566969 2016-01-01 914976873