Year US Dollars, Sum Over Component Sub-periods 1990-01-01 -132300000.00000001 1991-01-01 -268510000.00000000 1992-01-01 -164990000.00000000 1993-01-01 39990000.00000000 1994-01-01 121110000.00000000 1995-01-01 52730000.00000000 1996-01-01 -130320000.00000000 1997-01-01 -132639999.99999999 1998-01-01 -557280000.00000000 1999-01-01 -591200000.00000000 2000-01-01 -872580000.00000000 2001-01-01 -371710000.00000000 2002-01-01 144900000.00000000 2003-01-01 -527590000.00000006 2004-01-01 -1315620000.00000000 2005-01-01 -2643740000.00000000 2006-01-01 -3998750000.00000000 2007-01-01 -3195410000.00000000 2008-01-01 -4406850000.00000000 2009-01-01 -1435990000.00000000 2010-01-01 -1036250000.00000000 2011-01-01 -912430000.00000000 2012-01-01 -735840000.00000000 2013-01-01 573860000.00000000