Data refer to 31 local authourities,namely : Beitbridge, Bindura, Bulawayo, Chegutu, Chinhoyi, Chiredzi, Chirundu, Chitungwiza, Epworth, Gokwe, Gutu, Gwanda, Gweru, Harare, Hwange, Kadoma, Kariba, Karoi, Kwekwe, Masvingo, Mutare, Mvurwi, Nyanga, Plumtree, Redcliff, Rusape, Ruwa, Shurugwi, Triangle, Victoria Falls, Zvishavane.