ufo's escape from my yard?

[kurja]

I'm in my first ever game year of playing ufoai (2.3.1), and I don't get what's happening with the ufo yard that I've built. I've recovered a number of ufo's, never done anything to them (can't at this stage in the game), but for some reason the next time when I'm asked if I want to sell or keep a ufo it might show a smaller number of ufo's in the yard.

So... how does this work? Or, does it?

[Nutter]

It tells you how many free spaces you have at the place.
The number's going down because they're occupied.

Unless I'm misreading something again.

[kurja]

It tells you how many free spaces you have at the place.
The number's going down because they're occupied.

Unless I'm misreading something again.

...(facepalm)

I can't get to the game right now, but maybe that's it.

edit - yup, you were right.