condition mean min max ZT0-3 0.12346099999999999 0.12346099999999999 0.12346099999999999 ZT4-7 0.07660339999999999 0.07660339999999999 0.07660339999999999 ZT8-11 0.0105816 0.0105816 0.0105816 ZT12-15 0.07696415 0.07696415 0.07696415 ZT16-19 0.14384495 0.14384495 0.14384495 ZT20-23 0.23132550000000002 0.23132550000000002 0.23132550000000002