Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	5882000000
1995-01-01	3122000000
1996-01-01	3066000000
1997-01-01	2137000000
1998-01-01	1704000000
1999-01-01	885000000
2000-01-01	11822000000
2001-01-01	2147000000
2002-01-01	7536000000
2003-01-01	616000000
2004-01-01	862000000
2005-01-01	678000000
2006-01-01	1023000000
2007-01-01	1393000000
2008-01-01	1647000000
2009-01-01	1649000000
2010-01-01	1024000000
2011-01-01	868000000