What does this phrase "hover around" mean? [closed]

"Until the late 1800s, diamonds were incredibly scarce with the total world production hovering around a few pounds per year" What does the phrase "hover around" mean in that sentence?

"Hover around" literally means to fly around something.
Here, in this sentence, it means that the amount of diamond production kept fluctuating around a few pounds, i.e. sometimes it decreased a little from a few pounds per year, and sometimes it increased from the same amount.

to hover around MacMilland

to be at or near a particular level without changing much, to hover around/near

As in:

Their total world sales hover around the 50,000,000 mark.