To attempt to answer these questions on the basis of some shipping statistics, for example the growth in size of tankers or bulk carriers over the last 10 or 20 years, would be biased, and therefore incorrect.
Ukuzama ukuphendula le mibuzo ngokoqikelelo lorhwebo, umzekelo ukukhula komlinganiselo weetanki okanye isithwali sambuku kwiminyaka elishumi okanye engamashumi amabini eyadlulayo, ciyakuba nomtsalane bucala, kwaye ngapha koko ingalungi.