Year	US Dollars, Sum Over Component Sub-periods
1975-01-01	-24310000.000000000
1976-01-01	-32380000.000000004
1977-01-01	-72460000.000000000
1978-01-01	-62260000.000000000
1979-01-01	-126950000.000000000
1980-01-01	-137470000.000000000
1981-01-01	-131220000.000000000
1982-01-01	-82770000.000000000
1983-01-01	-141040000.000000000
1984-01-01	-493230000.000000000
1985-01-01	-340640000.000000000
1986-01-01	-752830000.000000000
1987-01-01	-1131970000.000000000
1988-01-01	-2610550000.000000000
1989-01-01	-2967240000.000000000
1990-01-01	-2709580000.000000000
1991-01-01	123530000.000000000
1992-01-01	752850000.000000000
1993-01-01	-1407240000.000000000
1994-01-01	-4298570000.000000000
1995-01-01	-1496260000.000000000
1996-01-01	-3595480000.000000000
1997-01-01	-5291020000.000000000
1998-01-01	-18641660000.000000000
1999-01-01	-6615430000.000000000
2000-01-01	-24036990000.000000000
2001-01-01	-8377010000.000000000
2002-01-01	-7381520000.000000000
2003-01-01	2281710000.000000000
2004-01-01	1080200000.000000000
2005-01-01	-4219979999.999999500
2006-01-01	-4807590000.000000000
2007-01-01	-7204390000.000000000
2008-01-01	-9278820000.000000000
2009-01-01	-5681440000.000000000
2010-01-01	-10167180000.000000000
2011-01-01	-5012440000.000000000
2012-01-01	-7546060000.000000000
2013-01-01	-4034130000.000000000