Some background links:
"Rising consumer demand and constrained supply of containers is causing disruption on the seas":
https://www.economist.com/graphic-detail/2021/02/11/container-shipping-costs-have-surged-in-recent-months
"Container rates are continuing to climb driving carriers’ profits while shippers continue to struggle with the ever-increasing costs. All major trade corridors have seen rate growth during the first five months of 2021 and fresh records continue to bet (sic) set.":
https://maritime-executive.com/article/container-rates-continue-to-set-new-highs-in-2021
"Last year we were paying $1,500-$2,000 a container from China and right now it's $10,500":
https://www.cbc.ca/news/canada/british-columbia/shipping-container-price-increase-1.6146496
Smith Corona even calles it "chaos":
https://www.smithcorona.com/blog/2021-supply-chain-chaos/