Measurement Differences


	Doba Blend


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	21.60


	29,085,949


	103,109


	0.35

%


	0.32

%


	0.52

	36

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	0.23

	0.38

	39

%

%