Not almost 10 illegal weapons at every raid. More than 10 raids for every illegal weapon.
Otherwise I agree with you they're likely not to have been evenly distributed, so you can assume there were far more than 10 raids for every raids that produced one or more weapons.
Otherwise I agree with you they're likely not to have been evenly distributed, so you can assume there were far more than 10 raids for every raids that produced one or more weapons.