condition mean min max ZT0-3 0.29448199999999997 0.0 0.5290655 ZT4-7 0.503727 0.503727 0.503727 ZT8-11 1.0459800000000001 1.0459800000000001 1.0459800000000001 ZT12-15 0.0947135 0.0 0.189427 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0