Year US Dollars, Sum Over Component Sub-periods 1993-01-01 -525240000 1994-01-01 -1380940000 1995-01-01 -3677400000 1996-01-01 -5705460000 1997-01-01 -4895400000 1998-01-01 -2602260000 1999-01-01 -1903260000 2000-01-01 -3127220000 2001-01-01 -3068370000 2002-01-01 -2178950000 2003-01-01 -2474200000 2004-01-01 -520890000 2005-01-01 2028130000 2006-01-01 2625890000 2007-01-01 2310460000 2008-01-01 1504370000 2009-01-01 4584400000 2010-01-01 2821160000 2011-01-01 5111020000 2012-01-01 7607290000 2013-01-01 9612680000