condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 3.5487900000000003 3.5487900000000003 3.5487900000000003 ZT8-11 0.0 0.0 0.0 ZT12-15 0.069826 0.069826 0.069826 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0