Runway useage
The runway use should come out at around 70% Rwy20 and 30% 02. Can't see how 02 would be used primarily for departures whilst 20 would be used for landing. In the busier periods departing traffic would be launching directly into opposing landing traffic!. Also this tail wind departure preference (02) would require longer take off run, simplistically more power required, with corresponding lower altitudes on climb, and hence more noise, which doesnt make a lot of sense.