29-Jun-2011 9:52 AMHochtief pax traffic up 4.9% in May-2011Hochtief reports passenger traffic up 4.9% - traffic highlights in May-2011: Passenger numbers: 8.2 million, +4.9%; Athens: 1.3 million, -0.9%; Budapest: 777,000, +8.3%; Duesseldorf: 1.9 million, +9.1%; Hamburg: 1.2 million, +3.0%; Sydney: 2.8 million, +4.2%; Tirana: 137,000, +25.4%.