Measurement Differences


	N'kossa


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	39.29


	19,023,657


	-66,551


	-0.35

%


	-0.33

%


	0.20

	21

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-

	-

	-

%

%