Year	US Dollars, Sum Over Component Sub-periods
1997-01-01	-50318433995.2877
1998-01-01	-90815271218.1440
1999-01-01	-133269287115.8780
2000-01-01	-12861684970.4324
2001-01-01	-98199485055.4125
2002-01-01	21275760241.2667
2003-01-01	-10860203918.3197
2004-01-01	-98450866094.4473
2005-01-01	-253612552431.2570
2006-01-01	-200419229320.9490
2007-01-01	-123718043783.2970
2008-01-01	-337585438064.2570
2009-01-01	-93142850527.3395
2010-01-01	-125883119033.1660
2011-01-01	-215310312862.1090
2012-01-01	-63066772348.4930