I am using "assume" since I do not know the exact details of their fishery. The first assume can be removed if they are having a commercial fishery, in which case they would have fish tickets to document the sale of their catch. The same method of catch accounting the State uses. The second assume is very safe given the size of these tribes and my existing knowledge of their fisheries even though I can't provide the exact number. In any case the number of fishers they are trying to keep track of is for sure less than the 300,000 the State has to account for, which I documented in another comment. Finally the third assume is about what you might assume, not me. That is purely a guess. Please feel free to update any of these assumptions with any exact numbers you may have.