Measurement Differences


	Siberian Light


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	35.60


	24,543,307


	-88,913


	-0.36

%


	-0.35

%


	0.27

	52

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-0.30

	0.31

	36

%

%