Year	US Dollars, Sum Over Component Sub-periods
1982-01-01	-8340000.000000
1983-01-01	241160000.000000
1984-01-01	-45400000.000000
1985-01-01	-195010000.000000
1986-01-01	-176410000.000000
1987-01-01	1402430000.000000
1988-01-01	1159700000.000000
1989-01-01	2928860000.000000
1990-01-01	-568830000.000000
1991-01-01	382120000.000000
1992-01-01	-968580000.000000
1993-01-01	899210000.000000
1994-01-01	3603850000.000000
1995-01-01	7277340000.000000
1996-01-01	3512400000.000000
1997-01-01	6971590000.000000
1998-01-01	-2685760000.000000
1999-01-01	3506320000.000000
2000-01-01	-2272060000.000000
2001-01-01	-187980000.000000
2002-01-01	85760000.000000
2003-01-01	919600000.000000
2004-01-01	11155950000.000000
2005-01-01	3797820000.000000
2006-01-01	16696310000.000002
2007-01-01	-608640000.000000
2008-01-01	-19370530000.000000
2009-01-01	-2526120000.000000
2010-01-01	8197540000.000001
2011-01-01	19460650000.000000
2012-01-01	23353670000.000000
2013-01-01	20755410000.000000