condition mean min max ZT0-3 0.01072815825 0.0 0.0214563165 ZT4-7 0.014082676749999998 0.0124846795 0.015680674 ZT8-11 0.029482101000000004 0.0158657125 0.0430984895 ZT12-15 0.02054292125 0.013554962 0.0275308805 ZT16-19 0.036969814749999996 0.0293186155 0.044621014 ZT20-23 0.08350752175000001 0.0740873965 0.092927647