condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.002166525 0.002166525 0.002166525 ZT8-11 0.00250595 0.00250595 0.00250595 ZT12-15 0.0052497 0.0052497 0.0052497 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0