condition mean min max ZT0-3 0.3616566666666667 0.0 1.08497 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 1.0428 1.0428 1.0428 ZT20-23 0.0 0.0 0.0