condition mean min max ZT0-3 0.09170483333333333 0.0 0.2751145 ZT4-7 0.0 0.0 0.0 ZT8-11 0.2757095 0.2757095 0.2757095 ZT12-15 0.7224755 0.269154 1.175797 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0