condition mean min max ZT0-3 0.080960375 0.054681 0.10723975 ZT4-7 0.054716799999999996 0.054716799999999996 0.054716799999999996 ZT8-11 0.08256415 0.08256415 0.08256415 ZT12-15 0 0 0 ZT16-19 0.13444414999999998 0.13444414999999998 0.13444414999999998 ZT20-23 0.0539848 0.0539848 0.0539848