Measurement Differences


	Erha


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	32.70


	33,955,626


	-59,830


	-0.18

%


	-0.16

%


	0.27

	42

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-

	-

	-

%

%