Year	US Dollars, Sum Over Component Sub-periods
1982-01-01	-1641550000
1983-01-01	-1590590000
1984-01-01	-1729100000
1985-01-01	-1210670000
1986-01-01	-993780000
1987-01-01	-5691200000
1988-01-01	-2340270000
1989-01-01	-6305180000
1990-01-01	-3064970000
1991-01-01	-7221120000
1992-01-01	-6566160000
1993-01-01	-3566190000
1994-01-01	-10453940000
1995-01-01	-7955920000
1996-01-01	-15309090000
1997-01-01	-13475450000
1998-01-01	663570000
1999-01-01	-15983670000
2000-01-01	-11386140000
2001-01-01	1227490000
2002-01-01	-6305990000
2003-01-01	-24226550000
2004-01-01	-24481500000
2005-01-01	-82598610000
2006-01-01	-57068730000
2007-01-01	70974920000
2008-01-01	-57255170000
2009-01-01	5994840000
2010-01-01	-76991580000
2011-01-01	-18713720000
2012-01-01	9900330000
2013-01-01	-9709670000