Sorry in what field? I would argue the number of these (as a %) on average are much lower (metric: top tier publications) Also if you're looking at Asian univs

Sorry in what field? I would argue the number of these (as a %) on average are much lower (metric: top tier publications) Also if you're looking at Asian univs, Tsinghua, Peking, SNU, NUS, KAIST and (CUHK/HKUST) should be there too ;)