Measurement Differences


	Murban


	2006


	API

	Total Barrels

	Barrels Loss

	Barrels Loss

	Mean NSV Loss

	Standard Deviation

	Number of Records


	39.60


	89,752,737


	-237,343


	-0.26

%


	-0.26

%


	0.24

	119

%


	2005


	Mean NSV Loss

	Standard Deviation

	Number of Records


	-0.36

	0.20

	55

%

%