Isu tiri muHunan, China, kutanga kubva 2012, kutengesa kuEastern Europe (25.00%), North America (10.00%), Southeast Asia (10.00%), South Asia (8.00%), South America (7.00%), Africa (6.00%),Southern Europe(6.00%),Mid East(5.00%),Eastern Asia(5.00%),Western Europe(5.00%),Northern Europe(5.00%),Oceania(4.00%),Central America(4.00) %). Kune vanhu vanenge 11-50 muhofisi yedu.