Year	US Dollars, Sum Over Component Sub-periods
1992-01-01	-9820450000
1993-01-01	-6472880000
1994-01-01	-10752010000
1995-01-01	-8170400000
1996-01-01	-8748790000
1997-01-01	-5771660000
1998-01-01	-5006760000
1999-01-01	-4764730000
2000-01-01	-4001490000
2001-01-01	-3229360000
2002-01-01	1273250000
2003-01-01	-1735270000
2004-01-01	-698260000
2005-01-01	-1301240000
2006-01-01	415470000
2007-01-01	1776900000
2008-01-01	-836280000
2009-01-01	-3394000000
2010-01-01	-4214330000
2011-01-01	-10431630000
2012-01-01	-9206870000
2013-01-01	-5040500000