Fourteen.

[She says, when her boots are laced. She gets to her feet, and nods at the door. Ready?]

It wasn't punitive, like this place, or at all about rehabilitation- this is just how things are, in the real world. People are worth the sum of their parts, and if you're strong enough, you can take them as resources. Mostly it's for blood. We cut strangers down for their blood.