Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	2840000000
1995-01-01	3537000000
1996-01-01	3404000000
1997-01-01	3172000000
1998-01-01	4216000000
1999-01-01	1381000000
2000-01-01	1403000000
2001-01-01	785000000
2002-01-01	775000000
2003-01-01	243000000
2004-01-01	79000000
2005-01-01	738000000
2006-01-01	736000000
2007-01-01	4758000000
2008-01-01	5006000000
2009-01-01	4795000000
2010-01-01	3098000000
2011-01-01	5668000000
2012-01-01	5966000000
2013-01-01	6972000000