condition mean min max ZT0-3 0.6177112499999999 0.542693 0.6927295 ZT4-7 0.39201749999999996 0.39201749999999996 0.39201749999999996 ZT8-11 0.153247 0.153247 0.153247 ZT12-15 0 0 0 ZT16-19 0.8382115 0.8382115 0.8382115 ZT20-23 0.6890665 0.6890665 0.6890665