And as I ve said before to dispute the figures as published is POV and original research For all you know they could be wrong the other way and make B ham even bigger In short we must rely on the official figures because that s what they are official figures If you average out their potential inaccuracies it makes no sense to say that the figures for one or other of the conurbations is likely to be more wrong than the other one so the result would still be the same i e B ham is bigger