Year	US Dollars, Sum Over Component Sub-periods
1979-01-01	-2320460000.000000
1980-01-01	-3039120000.000000
1981-01-01	-2818690000.000000
1982-01-01	-3490630000.000000
1983-01-01	-2310190000.000000
1984-01-01	-1657660000.000000
1985-01-01	-1593880000.000000
1986-01-01	-2557410000.000000
1987-01-01	-2257880000.000000
1988-01-01	-2895530000.000000
1989-01-01	-2666830000.000000
1990-01-01	-3596200000.000000
1991-01-01	-3799850000.000000
1992-01-01	-3183890000.000000
1993-01-01	-5245560000.000000
1994-01-01	-5657270000.000000
1995-01-01	-7482950000.000000
1996-01-01	-8681120000.000000
1997-01-01	-10646030000.000000
1998-01-01	-10110520000.000000
1999-01-01	-6976760000.000000
2000-01-01	-7162030000.000000
2001-01-01	-7759310000.000000
2002-01-01	-4957190000.000000
2003-01-01	-4931110000.000000
2004-01-01	-4677520000.000000
2005-01-01	-8308600000.000000
2006-01-01	-9640370000.000000
2007-01-01	-13218710000.000000
2008-01-01	-16689880000.000002
2009-01-01	-19245370000.000000
2010-01-01	-30835100000.000000
2011-01-01	-37931640000.000000
2012-01-01	-41041560000.000000
2013-01-01	-47101330000.000000
2014-01-01	-48928250000.000000