Measurement Differences


	Arabian Light


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	33.29


	403,627,260


	-1,182,550


	-0.29

%


	-0.25

%


	0.32

	423

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-0.21

	0.40

	410

%

%