Year	US Dollars, Sum Over Component Sub-periods
1960-01-01	-36500000.000000000
1961-01-01	30820000.000000000
1962-01-01	-581210000.000000000
1963-01-01	-128810000.000000000
1964-01-01	1047190000.000000000
1965-01-01	86680000.000000000
1966-01-01	8380000.000000001
1967-01-01	422220000.000000000
1968-01-01	1584610000.000000000
1969-01-01	-1952900000.000000000
1970-01-01	-2012610000.000000000
1971-01-01	-3306090000.000000000
1972-01-01	1103920000.000000000
1973-01-01	2429850000.000000000
1974-01-01	7369720000.000000000
1975-01-01	3393320000.000000000
1976-01-01	889200000.000000000
1977-01-01	-5712730000.000000000
1978-01-01	-5243490000.000000000
1979-01-01	1611970000.000000000
1980-01-01	-5022820000.000000000
1981-01-01	-10830750000.000000000
1982-01-01	-2142739999.999999800
1983-01-01	-4868220000.000000000
1984-01-01	-9344370000.000000000
1985-01-01	-1888820000.000000000
1986-01-01	19060000.000000000
1987-01-01	17885190000.000000000
1988-01-01	30639390000.000000000
1989-01-01	22708040000.000000000
1990-01-01	40440110000.000000000
1991-01-01	14367760000.000000000
1992-01-01	29368280000.000000000
1993-01-01	33912449999.999996000
1994-01-01	-4909180000.000000000
1995-01-01	-1868400000.000000000
1996-01-01	499360000.000000000
1997-01-01	-10230940000.000000000
1998-01-01	8324070000.000000000
1999-01-01	48933240000.000000000
2000-01-01	28517750000.000000000
2001-01-01	40376550000.000000000
2002-01-01	24694610000.000000000
2003-01-01	51020870000.000000000
2004-01-01	65651280000.000000000
2005-01-01	70321380000.000000000
2006-01-01	69823800000.000000000
2007-01-01	91784240000.000000000
2008-01-01	24526460000.000000000
2009-01-01	23288120000.000000000
2010-01-01	55424070000.000000000
2011-01-01	24842520000.000000000
2012-01-01	109010500000.000000000
2013-01-01	120793320000.000000000