What number of {a) vehicles are there for detectives at the Boksburg North Police Station, (b) these vehicles have mileage of (i) 1 - 100 000kms, (ii) 100 001 - 200 000kms, (Ill) 200 001 - 300 000kms and (iv) over 300 000kms and (c) days In 2017 were each of the specified vehicles out of working order?