condition mean min max ZT0-3 0.03736266666666666 0.0 0.112088 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.11266275 0.0 0.2253255 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0