Saturation? Hundreds.
SSDE? Thousands, if not tens of thousands. Depends if you are looking at set-ups on vessels only, or every Panel, umbilical and hat hooked together from one man bands doing prop jobs in Ecuador to Air DSV's in Quatar.
Mike - we have a good idea but the air diving side is particularly hard to gauge so I was hoping someone might have some figures that would confirm our own thoughts.