Measurement Differences


	Arabian Extra Light


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	39.90


	39,107,764


	-80,446


	-0.21

%


	-0.23

%


	0.23

	73

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-0.25

	0.21

	99

%

%