An average of … units of chairs per annum
best crude oil unloading volume per annum
rate per cent per annum
accident rate per ten million cars per kilometer
attempts per circuit per hour
Average Kilometer Per Registered Vehicle Per Day
Average kms Per Operating Vehicle Per Day
connections per circuit per houi
digestible biomass yield per hectare per year
Food occupation per hectare per 1000 persons
no of slots per pole per phase
revolution per minute per second
Slots Per Pole Per Phase