Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	9215000000
1995-01-01	285000000
1996-01-01	94000000
1997-01-01	66000000
1998-01-01	63000000
1999-01-01	55000000
2000-01-01	34000000
2001-01-01	76000000
2002-01-01	-7000000
2003-01-01	-46000000
2004-01-01	1180000000
2005-01-01	995000000
2006-01-01	2105000000
2007-01-01	4771000000
2008-01-01	6115000000
2009-01-01	7040000000
2010-01-01	8620000000
2011-01-01	10017000000
2012-01-01	10957000000
2013-01-01	11971000000