condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.12236799999999999 0.12236799999999999 0.12236799999999999 ZT16-19 0.174903 0.174903 0.174903 ZT20-23 0.0 0.0 0.0