Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	0
1995-01-01	0
1996-01-01	5739000000
1997-01-01	25000000
1998-01-01	54000000
1999-01-01	40000000
2000-01-01	76000000
2001-01-01	37000000
2002-01-01	53000000
2003-01-01	106000000
2004-01-01	146000000
2005-01-01	190000000
2006-01-01	468000000
2007-01-01	639000000
2008-01-01	974000000
2009-01-01	398000000
2010-01-01	596000000
2011-01-01	1779000000
2012-01-01	661000000
2013-01-01	665000000