OK, I now see the discrepancy in this reporting.
Perhaps a conversion error on the part or the author?
Lots of jumping about from OZ to KG/tonnage.
You're sharp to have caught that though I don't buy into anything of a conspiratory nature.
Until the amounts are clarified by BGM I would reserve making any predictions of calculations regarding fineness based on these conflicting totals.
Perhaps IR could jump in on this one?