To be sure, you're going' the wrong way!
I am sure some clever person on here can extract the figures because whilst we are discussing leakage of US-bound traffic from MAN via DUB I do know there is a significant volume of US traffic transferring the 'wrong' way i.e. from DUB/ORK via MAN especially to Florida and Vegas. No doubt MAN has a better choice on those routes and the £/Euro rate helps.