Year	US Dollars, Sum Over Component Sub-periods
1993-01-01	-12770000
1994-01-01	-17690000
1995-01-01	41360000
1996-01-01	-68870000
1997-01-01	-95100000
1998-01-01	-146590000
1999-01-01	377320000
2000-01-01	-28770000
2001-01-01	-64530000
2002-01-01	-11030000
2003-01-01	-246590000
2004-01-01	21150000
2005-01-01	-149510000
2006-01-01	-511370000
2007-01-01	2981030000
2008-01-01	-529630000
2009-01-01	-904490000
2010-01-01	-946130000
2011-01-01	-713600000
2012-01-01	73470000
2013-01-01	422370000