Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	50452000000
1995-01-01	62603000000
1996-01-01	68092000000
1997-01-01	71983000000
1998-01-01	58015000000
1999-01-01	39537000000
2000-01-01	44862000000
2001-01-01	53764000000
2002-01-01	60966000000
2003-01-01	76070000000
2004-01-01	97382000000
2005-01-01	125434000000
2006-01-01	164281000000
2007-01-01	223486000000
2008-01-01	291861000000
2009-01-01	191803000000
2010-01-01	248634000000
2011-01-01	323831000000