Year	US Dollars, Sum Over Component Sub-periods
1993-01-01	379170000
1994-01-01	185720000
1995-01-01	701820000
1996-01-01	2211130000
1997-01-01	2672900000
1998-01-01	445310000
1999-01-01	-1276300000
2000-01-01	-565530000
2001-01-01	380370000
2002-01-01	-213040000
2003-01-01	1628910000
2004-01-01	976060000
2005-01-01	5239330000
2006-01-01	-3015410000
2007-01-01	6278490000
2008-01-01	2868120000
2009-01-01	9907830000
2010-01-01	1501860000
2011-01-01	1817300000
2012-01-01	-7618020000
2013-01-01	-1076180000