condition mean min max ZT0-3 0.014587725 0.0 0.02917545 ZT4-7 0.6108089999999999 0.6108089999999999 0.6108089999999999 ZT8-11 0.522066 0.522066 0.522066 ZT12-15 0 0 0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0