Annual US Dollars, Sum Over Component Sub-periods
1960-01-01 -732000000
1961-01-01 -698000000
1962-01-01 -774000000
1963-01-01 -665000000
1964-01-01 -922000000
1965-01-01 -1341000000
1966-01-01 -1009000000
1967-01-01 -1112000000
1968-01-01 -713000000
1969-01-01 -273000000
1970-01-01 -479000000
1971-01-01 -715000000
1972-01-01 -347000000
1973-01-01 -680000000
1974-01-01 921000000
1975-01-01 -112000000
1976-01-01 1583000000
1977-01-01 2124000000
1978-01-01 688000000
1979-01-01 54000000
1980-01-01 -1789000000
1981-01-01 -2715000000
1982-01-01 -2526000000
1983-01-01 -1949000000
1984-01-01 -2343000000
1985-01-01 -4143000000
1986-01-01 -4549000000
1987-01-01 -5175000000
1988-01-01 -7240000000
1989-01-01 -6831000000
1990-01-01 -7113000000
1991-01-01 -3646000000
1992-01-01 -4484000000
1993-01-01 -1909000000
1994-01-01 -1676000000
1995-01-01 -5533000000
1996-01-01 -5937000000
1997-01-01 -3007000000
1998-01-01 -6820000000
1999-01-01 -3243000000
2000-01-01 -4508000000
2001-01-01 1399000000
2002-01-01 7057000000
2003-01-01 8689000000
2004-01-01 698000000
2005-01-01 -10367000000
2006-01-01 -9514000000
2007-01-01 -7530000000
2008-01-01 -32049000000
2009-01-01 -25523000000
2010-01-01 -51907000000