condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.03143065 0.03143065 0.03143065 ZT8-11 0.03182475 0.03182475 0.03182475 ZT12-15 0.0159232 0.0 0.0318464 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0