condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.06493889825 0.0 0.1298777965 ZT12-15 0.0141651525 0.0 0.028330305 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0