condition mean min max ZT0-3 0.013135633333333332 0.0 0.02034625 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 0.0 0.0 0.0 ZT20-23 0.04211355 0.04211355 0.04211355