Dogue de Bordeaux puppy weight?

We have a 5.5 month male Dogue de Bordeaux. He is a real joy and an absolute charmer! When we got him at 8 weeks he was 8kg. Recently we took him to the vet and he is 35kg now. He is of a very good built, no ribs sticking out, he is far from being skinny. We feed him Royal Canin Giant Baby and he seems to love it. I started searching for info on other Bordeaux pups and their weight as I was wondering if ours is of avarage size or rather big. I do appreciate that this breed changes a lot until they reach 18 months but was just hoping to compare with some other pups. Does any of you have a young Bordeaux? I am really curious what size mine is going to be at 18 months :-P Thanks, O.