Even though the economy in many parts of the world has tended to stagnate or even regress since the mid 1970s, and even though there have been some changes in the nature of cargoes to be transported, the general tendency for increasing internationalisation of commerce, and hence of increasing demand for tonnage, remains.
Noxa ezoqoqosho kwindawo ezininzi kwihlabathi zinento yokuma okanye zibuya umva ukuqala phakathi ko 1970 noxa kukho notshintsho kwindalo yomthwalo omawuthuthwe utyekelo jikelele lokonyusa isampula kumazwe kukho nonyanzelo lwentshiyekela yomthamo wenqanawa olinganiswe ngeetoni