Year	US Dollars, Sum Over Component Sub-periods
1994-01-01	311000000
1995-01-01	894000000
1996-01-01	773000000
1997-01-01	410000000
1998-01-01	308000000
1999-01-01	1183000000
2000-01-01	807000000
2001-01-01	744000000
2002-01-01	1352000000
2003-01-01	2537000000
2004-01-01	3467000000
2005-01-01	4490000000
2006-01-01	6403000000
2007-01-01	8423000000
2008-01-01	10969000000
2009-01-01	8908000000
2010-01-01	9953000000
2011-01-01	16358000000
