Year	US Dollars, Sum Over Component Sub-periods
1980-01-01	178160000.0000000
1981-01-01	276570000.0000000
1982-01-01	327960000.0000000
1983-01-01	172430000.0000000
1984-01-01	1241640000.0000000
1985-01-01	1250010000.0000000
1986-01-01	1207640000.0000000
1987-01-01	1275420000.0000000
1988-01-01	1712030000.0000000
1989-01-01	1626580000.0000000
1990-01-01	1732490000.0000000
1991-01-01	1287270000.0000000
1992-01-01	1937460000.0000000
1993-01-01	2391950000.0000000
1994-01-01	2495120000.0000000
1995-01-01	3310470000.0000000
1996-01-01	2348930000.0000000
1997-01-01	2471330000.0000000
1998-01-01	1256340000.0000000
1999-01-01	1144980000.0000000
2000-01-01	3637700000.0000000
2001-01-01	-586130000.0000000
2002-01-01	1166260000.0000000
2003-01-01	2093980000.0000000
2004-01-01	2223970000.0000000
2005-01-01	1681420000.0000000
2006-01-01	5250260000.0000000
2007-01-01	1943460000.0000000
2008-01-01	3966400000.0000000
2009-01-01	-298120000.0000000
2010-01-01	434570000.0000000
2011-01-01	4139140000.0000005
2012-01-01	2200990000.0000000
2013-01-01	897260000.0000000