condition mean min max ZT0-3 0.09447699999999999 0.09447699999999999 0.09447699999999999 ZT4-7 0.09530699999999999 0.09530699999999999 0.09530699999999999 ZT8-11 0.0 0.0 0.0 ZT12-15 0.34320666666666666 0.34320666666666666 0.34320666666666666 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0