I would suggest that Germany has less based planes because the Germans consider Frankfurt/Hahn as much of a joke as the rest of us do!
There's only so many people that want to travel from a village that's in the middle of nowhere.
With 3.9 Million passengers a year it dwarfs passenger numbers in Shannon, Cork, Turin, LCY.......some idea you have for a field though with 75,000 passengers a week.