Year	US Dollars, Sum Over Component Sub-periods
1960-01-01	-731920000.0000000
1961-01-01	-697630000.0000000
1962-01-01	-773880000.0000000
1963-01-01	-664950000.0000000
1964-01-01	-921710000.0000000
1965-01-01	-1340920000.0000000
1966-01-01	-1008770000.0000000
1967-01-01	-1111880000.0000000
1968-01-01	-712820000.0000000
1969-01-01	-272580000.0000000
1970-01-01	-478730000.0000000
1971-01-01	-715120000.0000000
1972-01-01	-346700000.0000000
1973-01-01	-680440000.0000000
1974-01-01	921180000.0000000
1975-01-01	-112470000.0000000
1976-01-01	1582650000.0000000
1977-01-01	2124159999.9999998
1978-01-01	688290000.0000000
1979-01-01	54000000.0000000
1980-01-01	-1789410000.0000000
1981-01-01	-2715130000.0000000
1982-01-01	-2526250000.0000000
1983-01-01	-1948820000.0000000
1984-01-01	-2342550000.0000000
1985-01-01	-4143240000.0000000
1986-01-01	-4549070000.0000000
1987-01-01	-5174760000.0000000
1988-01-01	-7240280000.0000000
1989-01-01	-6830530000.0000000
1990-01-01	-7113260000.0000000
1991-01-01	-3646000000.0000000
1992-01-01	-4483860000.0000000
1993-01-01	-1909440000.0000000
1994-01-01	-1676430000.0000000
1995-01-01	-5532880000.0000000
1996-01-01	-5936970000.0000000
1997-01-01	-3006830000.0000000
1998-01-01	-6819660000.0000000
1999-01-01	-3243170000.0000000
2000-01-01	-4508360000.0000000
2001-01-01	1398710000.0000000
2002-01-01	7057140000.0000000
2003-01-01	8688520000.0000000
2004-01-01	698200000.0000000
2005-01-01	-10367130000.0000000
2006-01-01	-9513980000.0000000
2007-01-01	-7529890000.0000000
2008-01-01	-32048590000.0000000
2009-01-01	-25522840000.0000000
2010-01-01	-51907220000.0000000