In 1980 there were more than 900 refrigerated ships in service with a total refrigerated hold capacity of about 360 million cubic feet (10 million m³).
Ngomnyaka wamakhulu aneshumi elinethoba amashumi asibhozo kwakukho iinqanawa zibandisi ezingaphaya kwamakhulu alithoba ezisetyenziswayo ezilingana nokuphathwa kwesibandisi esimalunga namakhulu amathathu amashumi amathandathu ezigidi zeenyawo (izigidi ezilishumi zesikwere zechutha).