Year US Dollars, Sum Over Component Sub-periods 1980-01-01 -20100000.00000000 1981-01-01 54500000.00000000 1982-01-01 -82300000.00000000 1983-01-01 -61400000.00000000 1984-01-01 58100000.00000000 1985-01-01 -357500000.00000000 1986-01-01 -767200000.00000000 1987-01-01 101400000.00000000 1988-01-01 371200000.00000000 1989-01-01 520000000 1990-01-01 -263100000.00000003 1991-01-01 -308800000.00000000 1992-01-01 -433200000.00000000 1993-01-01 -751900000.00000000 1994-01-01 -1652100000.00000000 1995-01-01 -1776200000.00000000 1996-01-01 -2344700000.00000000 1997-01-01 -1605200000.00000000 1998-01-01 1182100000.00000000 1999-01-01 5537800000.00000000 2000-01-01 4801900000.00000000 2001-01-01 1332000000.00000000 2002-01-01 -631900000.00000000 2003-01-01 -609800000.00000000 2004-01-01 3595400000.00000000 2005-01-01 -57800000.00000000 2006-01-01 -7588200000.00000000 2007-01-01 -17935200000.00000000 2008-01-01 -16940599999.99999800 2009-01-01 -14948000000.00000000 2010-01-01 -22184300000.00000000 2011-01-01 -16410000000.00000000 2012-01-01 -18923900000.00000000 2013-01-01 -13062300000.00000000