Year	US Dollars, Sum Over Component Sub-periods
1993-01-01	1010670000
1994-01-01	488190000
1995-01-01	1841790000
1996-01-01	1922690000
1997-01-01	1764250000
1998-01-01	1918660000
1999-01-01	1199860000
2000-01-01	1412130000
2001-01-01	1524780000
2002-01-01	667550000
2003-01-01	469250000
2004-01-01	644670000
2005-01-01	1582000000
2006-01-01	2170770000
2007-01-01	2919780000
2008-01-01	4325310000
2009-01-01	3880630000
2010-01-01	3947060000
2011-01-01	3306780000
2012-01-01	3186890000
2013-01-01	2709380000