Measurement Differences


	Saharan Blend


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	45.20


	153,521,703


	-161,827


	-0.11

%


	-0.09

%


	0.18

	224

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-0.09

	0.24

	210

%

%