Relatively stable around 80k for 2018 and 2019.
It appears they have executed a strategy to become a vertically integrated end-to-end logistics company rather than just a container shipping company. Profits during the pandemic allowed them to accelerate the change.
https://qz.com/2103412/maersk-is-no-longer-just-a-shipping-c...
(Have a look at that quarterly profit graph...)