condition mean min max ZT0-3 0.004756633333333334 0.0 0.0142699 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0136894 0.0136894 0.0136894 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.01437795 0.01437795 0.01437795