Annual US Dollars, Sum Over Component Sub-periods
1970-01-01 170610000.00000000
1971-01-01 238260000.00000000
1972-01-01 566460000.00000000
1973-01-01 680630000.00000000
1974-01-01 568100000.00000000
1975-01-01 1059180000.00000010
1976-01-01 704980000.00000000
1977-01-01 605960000.00000000
1978-01-01 500030000.00000000
1979-01-01 -566860000.00000000
1980-01-01 -781620000.00000000
1981-01-01 -640220000.00000000
1982-01-01 -319790000.00000000
1983-01-01 -617770000.00000000
1984-01-01 -562600000.00000000
1985-01-01 -1166520000.00000000
1986-01-01 -1267040000.00000000
1987-01-01 -1446810000.00000000
1988-01-01 -2291870000.00000000
1989-01-01 -1405360000.00000000
1990-01-01 -412100000.00000000
1991-01-01 -821280000.00000000
1992-01-01 -131960000.00000001
1993-01-01 -83180000.00000000
1994-01-01 237480000.00000000
1995-01-01 1118810000.00000000
1996-01-01 1972630000.00000000
1997-01-01 3256880000.00000000
1998-01-01 2513530000.00000000
1999-01-01 2569460000.00000000
2000-01-01 -2108199999.99999980
2001-01-01 -2466350000.00000000
2002-01-01 -1042160000.00000010
2003-01-01 -696820000.00000000
2004-01-01 4259609999.99999950
2005-01-01 6796510000.00000000
2006-01-01 9365920000.00000000
2007-01-01 12140420000.00000000
2008-01-01 13011890000.00000000
2009-01-01 7909000000.00000000
2010-01-01 10546410000.00000000
2011-01-01 12168520000.00000000
2012-01-01 9769720000.00000000
2013-01-01 18321710000.00000000