condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.042689548499999994 0.0 0.08537909699999999 ZT8-11 0.0 0.0 0.0 ZT12-15 0.170335097 0.0926984505 0.24797174349999998 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0