Even though there are a few general-cargo ships in service with a deadweight of more than 15,000 tons, there has been hardly any increase in the average size of general cargo ships in recent years.
Nangona kukho iinqanawa zokuthutha imithwalo jikelele ezimbalwa ezisebenzayo ezinobunzima bomthwalo wenqanawa ongaphezu kweshumi elinesihlanu samawaka eetoni, kwakukho ubunzima kunyuko kumlinganiselo ophakathi weenqanawa zokuthutha umthwalo jikelele kwiminyaka yangoku.