condition mean min max ZT0-3 0.343513825 0.04574815 0.6412795 ZT4-7 0.0451101 0.0451101 0.0451101 ZT8-11 0.13710545000000002 0.13710545000000002 0.13710545000000002 ZT12-15 0 0 0 ZT16-19 0.045113 0.045113 0.045113 ZT20-23 0.0450612 0.0450612 0.0450612