Weekly Vessels Calls in World Ports, 2020 vs 2019 Vessel Calls In World Ports 2020 vs 2019 per week Source: UNCTAD Project (2021; in progress) “Assessing the impact of COVID-19 on the maritime transport systems”. Geneva: UNCTAD. Share this: Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit