Year	US Dollars, Sum Over Component Sub-periods
1975-01-01	42340000.0000000
1976-01-01	26250000.0000000
1977-01-01	-26230000.0000000
1978-01-01	-29390000.0000000
1979-01-01	-97530000.0000000
1980-01-01	-106780000.0000000
1981-01-01	-31590000.0000000
1982-01-01	-75070000.0000000
1983-01-01	-52380000.0000000
1984-01-01	-357840000.0000000
1985-01-01	-223300000.0000000
1986-01-01	-411130000.0000000
1987-01-01	-875460000.0000000
1988-01-01	-2091190000.0000000
1989-01-01	-2482850000.0000000
1990-01-01	-1971750000.0000000
1991-01-01	-112260000.0000000
1992-01-01	1150670000.0000000
1993-01-01	-537220000.0000000
1994-01-01	-2858820000.0000000
1995-01-01	-449210000.0000000
1996-01-01	-2466170000.0000000
1997-01-01	-3135170000.0000000
1998-01-01	-6668150000.0000000
1999-01-01	-2091530000.0000002
2000-01-01	-14767230000.0000000
2001-01-01	-4720270000.0000000
2002-01-01	760120000.0000000
2003-01-01	5749460000.0000000
2004-01-01	4016850000.0000000
2005-01-01	395640000.0000000
2006-01-01	2840000000.0000000
2007-01-01	5461220000.0000000
2008-01-01	-6074470000.0000000
2009-01-01	-6553110000.0000000
2010-01-01	-17797380000.0000000
2011-01-01	-7426580000.0000000
2012-01-01	-11956100000.0000000
2013-01-01	-3085730000.0000000