Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	546000000
1995-01-01	1089000000
1996-01-01	1527000000
1997-01-01	1467000000
1998-01-01	2226000000
1999-01-01	1837000000
2000-01-01	2978000000
2001-01-01	3401000000
2002-01-01	2776000000
2003-01-01	3284000000
2004-01-01	5305000000
2005-01-01	6998000000
2006-01-01	9040000000
2007-01-01	10140000000
2008-01-01	11126000000
2009-01-01	6625000000
2010-01-01	8029000000
2011-01-01	8402000000
2012-01-01	8300000000
2013-01-01	7534000000