condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.02808655 0.02808655 0.02808655 ZT12-15 0.013709375 0.0 0.02741875 ZT16-19 0.0262387 0.0262387 0.0262387 ZT20-23 0.0 0.0 0.0