Year US Dollars, Sum Over Component Sub-periods 1985-01-01 -54283080000.00000 1986-01-01 -87430400000.00000 1987-01-01 -80902640000.00000 1988-01-01 -81691470000.00000 1989-01-01 -40706170000.00000 1990-01-01 -24155440000.00000 1991-01-01 -60426210000.00000 1992-01-01 -102561750000.00000 1993-01-01 -132230519999.99998 1994-01-01 -113254060000.00000 1995-01-01 -124369870000.00000 1996-01-01 -66946320000.00001 1997-01-01 -131394630000.00000 1998-01-01 -122873770000.00000 1999-01-01 -132330880000.00000 2000-01-01 -136174140000.00002 2001-01-01 -91444280000.00000 2002-01-01 -113963560000.00000 2003-01-01 -118983410000.00000 2004-01-01 -143606510000.00000 2005-01-01 -149484280000.00000 2006-01-01 -139111220000.00000 2007-01-01 -227896680000.00000 2008-01-01 -208820840000.00000 2009-01-01 -179480840000.00000 2010-01-01 -244862600000.00000 2011-01-01 -158301520000.00000 2012-01-01 -64353710000.00000 2013-01-01 7773720000.00000