condition mean min max ZT0-3 0.027821033999999998 0.0 0.055642067999999996 ZT4-7 0.08358530724999999 0.0 0.16717061449999998 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.07599205275 0.0 0.1519841055