condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.035677274249999995 0.0 0.07135454849999999 ZT12-15 0.0082805875 0.0 0.016561175 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0