condition mean min max ZT0-3 0.5807070000000001 0.5807070000000001 0.5807070000000001 ZT4-7 0.4740715 0.4740715 0.4740715 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 0.0 0.0 0.0