Measurement Differences


	Arabian Heavy


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	27.80


	110,064,803


	-351,092


	-0.32

%


	-0.28

%


	0.28

	184

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-0.30

	0.34

	209

%

%