condition mean min max ZT0-3 0.024850525 0.0 0.04970105 ZT4-7 0.101103 0.101103 0.101103 ZT8-11 0.0 0.0 0.0 ZT12-15 0 0 0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0