condition mean min max ZT0-3 0.015170433333333332 0.0 0.0455113 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 0.03896145 0.03896145 0.03896145 ZT20-23 0.0 0.0 0.0