Year	US Dollars, Sum Over Component Sub-periods
1980-01-01	-1582310000.0000000
1981-01-01	-3010990000.0000000
1982-01-01	-3092970000.0000000
1983-01-01	-3577970000.0000000
1984-01-01	-3696070000.0000000
1985-01-01	-3640620000.0000000
1986-01-01	-3234630000.0000000
1987-01-01	-3113080000.0000000
1988-01-01	-3064570000.0000000
1989-01-01	-3109320000.0000000
1990-01-01	-2890080000.0000000
1991-01-01	-2644560000.0000000
1992-01-01	-2806960000.0000000
1993-01-01	-1823720000.0000000
1994-01-01	-1488230000.0000000
1995-01-01	-1892250000.0000000
1996-01-01	-2432520000.0000000
1997-01-01	-1740570000.0000000
1998-01-01	-1595100000.0000000
1999-01-01	-692820000.0000000
2000-01-01	-878320000.0000000
2001-01-01	-1755750000.0000000
2002-01-01	-1942750000.0000000
2003-01-01	-4488790000.0000000
2004-01-01	-5407170000.0000000
2005-01-01	-7006060000.0000000
2006-01-01	-8994190000.0000000
2007-01-01	-12579740000.0000000
2008-01-01	-15470760000.0000000
2009-01-01	-12569540000.0000000
2010-01-01	-10210770000.0000000
2011-01-01	-12004930000.0000000
2012-01-01	-2049449999.9999998
2013-01-01	-3777850000.0000000