What number of (a) vehicles are there for detectives at the Kempton Park Police Station, (b) the specified vehicles have mileage of (i) 1-100 000 kms, (ii) 100 001- 200 000 kms, (iii) 200 001-300 000 kms and (iv) over 300 000 kms and (c) days in 2017 was each of the vehicles out of working order?