Measurement Differences


	Iranian Heavy


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	29.80


	74,086,081


	-217,298


	-0.29

%


	-0.30

%


	0.31

	111

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-0.21

	0.33

	135

%

%