Mu Ndemanga yake ya Maritime Transport ya 2021, United Nations Conference on Trade and Development (UNCTAD) idati kukwera kwamitengo yonyamula katundu, ngati kupitilira, kungakweze mitengo yamtengo wapatali padziko lonse lapansi ndi 11% ndi mitengo ya ogula ndi 1.5% pakati pakali pano. ndi 2023.

Kuchulukirachulukira kwamitengo yonyamula katundu kudzakhala kokulirapo m'maiko ang'onoang'ono omwe akutukuka kumene (SIDS), omwe atha kuwona kuti mitengo yochokera kunja ikukwera ndi 24% ndi mitengo ya ogula ndi 7.5%.M’maiko osatukuka kwambiri (LDCs), mitengo ya ogula ikhoza kukwera ndi 2.2%.

Pofika kumapeto kwa 2020, mitengo yonyamula katundu inali itakwera mosayembekezereka.Izi zidawonetsedwa ndi Shanghai Containerized Freight Index (SCFI).

Mwachitsanzo, kuchuluka kwa SCFI panjira ya Shanghai-Europe inali yochepera $1,000 pa TEU iliyonse mu June 2020, idalumphira pafupifupi $4,000 pa TEU iliyonse kumapeto kwa 2020, ndipo idakwera $7,552 pa TEU iliyonse kumapeto kwa Novembala 2021. 

Kuphatikiza apo, mitengo yonyamula katundu ikuyembekezeka kukhalabe yokwera chifukwa chakufunika kopitilira muyeso komanso kusatsimikizika kopezeka komanso nkhawa zakuyenda bwino kwamayendedwe ndi madoko.

Malinga ndi lipoti laposachedwa kwambiri kuchokera ku Sea-Intelligence, kampani ya data yapanyanja ya Copenhagen komanso alangizi, zonyamula panyanja zitha kutenga zaka zopitilira ziwiri kuti zibwererenso momwe zilili.

Mitengoyi idzakhudzanso zinthu zotsika mtengo monga mipando, nsalu, zovala ndi zinthu zachikopa, zomwe nthawi zambiri zimagawikana pazachuma zamalipiro otsika kutali kwambiri ndi misika yayikulu ya ogula.UNCTAD imaneneratu kukwera kwamitengo ya ogula ndi 10.2% pa izi.

Ndemanga ya Maritime Transport ndi lipoti lodziwika bwino la UNCTAD, lofalitsidwa chaka chilichonse kuyambira 1968. Limapereka kuwunika kwakusintha kwadongosolo komanso kusintha kozungulira komwe kumakhudza malonda apanyanja, madoko ndi kutumiza, komanso kusonkhanitsa kwakukulu kwa ziwerengero kuchokera ku malonda apanyanja ndi zoyendera.