... or West (or South) Ruislip.
As someone said, it is difficult to make things foolproof, because fools are so ingenious...
The thing I do find a bit of a puzzle though, from those stats, is the apparent absence of anyone travelling from Paddington District and Circle (Praed Street as was) to Paddington H&C (Bishops Road) (or vv) - I would expect there to have beeen some, I don't think it's the least likely journey to have been made. (I will leave it to others to speculate on that one)