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Measurement differences (Net Standard Volume at Bill of Lading vs Net Standard Volume at Outturn) have been calculated from individual voyage data and are available via the list below.
In order that the information is reasonably representative only those crudes with 20 or more voyages have been reported.
Information for each crude is presented for 2006 and for 2005.
By convention losses are shown as negative.
To provide an indication of the spread of the individual voyage losses the standard deviation is given in addition to the mean figure. The number of records is also included to allow statistical comparisons to be
made.
API Gravity is also shown. This is the mean of figures reported at Bill of Lading.
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