Maybe enough for 4 of them 
You win the size contest!
I did consider getting a US-made 24 quart canning pressure cooker, and was really tempted, but I ended up going for the big Kuhn Rikon in the end (that was about 3 years ago). Both solutions are really good quality, but, for us, we wouldn’t use the extra capacity often enough, particularly now that my older one is in college.