I would want to find out how many buses of a certain service is
based in a certain depot.
Example:
2, 3, 6, 9, 12, 15, 17, 18, 19, 23, 29, 35, 36, 37, 38, 39, 40, 42
are 100 % BNDEP Buses.
65: ? buses in BNDEP & ? buses in BBDEP.
7: ? buses in HGDEP & ? buses in BBDEP.
143: ? buses in AMDEP & ? buses in SLBP.