Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	8424000000
1995-01-01	10567000000
1996-01-01	13281000000
1997-01-01	14080000000
1998-01-01	12372000000
1999-01-01	9067000000
2000-01-01	9565000000
2001-01-01	11441000000
2002-01-01	13611000000
2003-01-01	16229000000
2004-01-01	20595000000
2005-01-01	24970000000
2006-01-01	31102000000
2007-01-01	39257000000
2008-01-01	51178000000
2009-01-01	41594000000
2010-01-01	44981000000
2011-01-01	54025000000