Year US Dollars, Sum Over Component Sub-periods 1990-01-01 -366890000.0000000 1991-01-01 283350000.0000000 1992-01-01 596060000.0000000 1993-01-01 1758850000.0000000 1994-01-01 1575160000.0000000 1995-01-01 1725120000.0000000 1996-01-01 2048820000.0000002 1997-01-01 1863350000.0000000 1998-01-01 709390000.0000000 1999-01-01 238410000.0000000 2000-01-01 -356030000.0000000 2001-01-01 -691690000.0000000 2002-01-01 -1106180000.0000000 2003-01-01 73880000.0000000 2004-01-01 -1078730000.0000000 2005-01-01 -7133810000.0000000 2006-01-01 -7864970000.0000000 2007-01-01 -13837010000.0000000 2008-01-01 -15285790000.0000000 2009-01-01 -4996170000.0000000 2010-01-01 2312730000.0000000 2011-01-01 2829470000.0000000 2012-01-01 9253370000.0000000 2013-01-01 14434830000.0000000