Year	US Dollars, Sum Over Component Sub-periods
1963-01-01	-162500000.00000
1964-01-01	-569690000.00000
1965-01-01	-600590000.00000
1966-01-01	-215330000.00000
1967-01-01	-127780000.00000
1968-01-01	20440000.00000
1969-01-01	-485330000.00000
1970-01-01	-184610000.00000
1971-01-01	-215260000.00000
1972-01-01	-809490000.00000
1973-01-01	-2265300000.00000
1974-01-01	-1750000.00000
1975-01-01	318990000.00000
1976-01-01	-1331200000.00000
1977-01-01	253400000.00000
1978-01-01	-3030440000.00000
1979-01-01	-6082980000.00000
1980-01-01	-1102950000.00000
1981-01-01	-6283860000.00000
1982-01-01	-1750310000.00000
1983-01-01	-3012200000.00000
1984-01-01	-8344070000.00000
1985-01-01	-5139490000.00000
1986-01-01	-8466920000.00000
1987-01-01	-15858130000.00000
1988-01-01	-15204090000.00000
1989-01-01	-4268660000.00000
1990-01-01	13386200000.00000
1991-01-01	-297340000.00000
1992-01-01	-3140200000.00000
1993-01-01	-10772540000.00000
1994-01-01	-24168280000.00000
1995-01-01	-27373200000.00000
1996-01-01	-9303350000.00000
1997-01-01	-23392810000.00000
1998-01-01	-48166100000.00000
1999-01-01	-113140150000.00000
2000-01-01	-124184320000.00000
2001-01-01	-7972870000.00000
2002-01-01	-24771330000.00000
2003-01-01	-38021720000.00000
2004-01-01	-36639440000.00000
2005-01-01	96653380000.00000
2006-01-01	68517600000.00001
2007-01-01	-126736090000.00000
2008-01-01	-92199250000.00000
2009-01-01	40243230000.00000
2010-01-01	12304610000.00000
2011-01-01	-55998830000.00000
2012-01-01	11176460000.00000
2013-01-01	41217290000.00000