Year	US Dollars, Sum Over Component Sub-periods
1998-01-01	100000000.000000
1999-01-01	-700000000.000000
2000-01-01	7320000000.000000
2001-01-01	1250000000.000000
2002-01-01	1750000000.000000
2003-01-01	8440000000.000001
2004-01-01	13200000000.000000
2005-01-01	21450000000.000000
2006-01-01	42860000000.000000
2007-01-01	20960000000.000000
2008-01-01	9650000000.000000
2009-01-01	29610000000.000004
2010-01-01	31680000000.000000
2011-01-01	13400000000.000000
2012-01-01	54300000000.000000