The Danish consulting and researching company Sea-Intelligence has conducted research for the global trade growth using data from a report by World Economic Outlook (WEO) which was published by the International Monetary Fund (IMF).
While IMF states global trade growth in monetary terms rather than in terms of container volumes or weight, there is a highly significant positive relationship between trade in economic terms and container shipping demand on a global level.
https://container-news.com/trade-recovery-not-as-strong-as-initially-projected-reports-imf/