Measurement Differences


	Souedie


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	24


	17,204,091


	-56,865


	-0.33

%


	-0.32

%


	0.37

	38

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-0.22

	0.31

	42

%

%