It has been estimated that in the 1980's the annual tonnage of cargo transported will be ten times that carried in the years between the wars.
Ibiqikelelwe into yokuba ngoo1980 umthamo wonyaka womthwalo wenqanawa olinganiswe ngeetoni ohanjiswayo uyakuphinda-phindwa amaxesha alishumi eyayiphathwa kwiminyaka phakathi kweemfazwe.