'Most commodities have a heavy concentration in their top supplier: B of A'

Almost all commodities have more than 50% concentration in their top supplier country, according to data from BofA Securities. When analyzing 18 major commodities, it is apparent that nearly all commodities have a very high concentration within their top supplier country, as a percentage of global production.

https://seekingalpha.com/news/4145627-most-commodities-have-a-heavy-concentration-in-their-top-supplier-country