condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.08537909699999999 0.0 0.17075819399999997 ZT8-11 0.0 0.0 0.0 ZT12-15 0.14866878025000002 0.0 0.29733756050000004 ZT16-19 0.56669565525 0.41863219799999996 0.7147591125 ZT20-23 2.16306781675 1.0763485435 3.24978709