Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	5340000000
1995-01-01	7650000000
1996-01-01	9768000000
1997-01-01	13058000000
1998-01-01	16091000000
1999-01-01	11597000000
2000-01-01	11489000000
2001-01-01	11038000000
2002-01-01	12260000000
2003-01-01	24228000000
2004-01-01	24769000000
2005-01-01	36424000000
2006-01-01	59189000000
2007-01-01	78149000000
2008-01-01	110936000000
2009-01-01	73467000000
2010-01-01	85976000000
2011-01-01	102583000000