Measurement Differences


	Arabian Medium


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	30.80


	101,592,045


	-285,777


	-0.28

%


	-0.23

%


	0.46

	152

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-0.20

	0.42

	189

%

%