Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	21000000
1995-01-01	-2444000000
1996-01-01	4410000000
1997-01-01	45775000000
1998-01-01	8618000000
1999-01-01	-946000000
2000-01-01	-10334000000
2001-01-01	-653000000
2002-01-01	2960000000
2003-01-01	-4509000000
2004-01-01	623000000
2005-01-01	-11379000000
2006-01-01	15702000000
2007-01-01	5553000000
2008-01-01	-35437000000
2009-01-01	-2179000000
2010-01-01	-1660000000
2011-01-01	-17857000000