Year US Dollars, Sum Over Component Sub-periods 1992-01-01 -335390000.00000000 1993-01-01 1727350000.00000000 1994-01-01 3512510000.00000000 1995-01-01 6912160000.00000000 1996-01-01 4922010000.00000000 1997-01-01 5969090000.00000000 1998-01-01 5727260000.00000000 1999-01-01 6756070000.00000000 2000-01-01 3844820000.00000000 2001-01-01 3189060000.00000000 2002-01-01 -2875410000.00000000 2003-01-01 -580680000.00000000 2004-01-01 -1139330000.00000000 2005-01-01 -534409999.99999994 2006-01-01 -10976570000.00000000 2007-01-01 -15473270000.00000000 2008-01-01 -21942090000.00000000 2009-01-01 -13673230000.00000000 2010-01-01 -4235520000.00000050 2011-01-01 -5581520000.00000000 2012-01-01 -7918960000.00000000 2013-01-01 -7917190000.00000000