condition mean min max ZT0-3 0.055686200000000005 0.055686200000000005 0.055686200000000005 ZT4-7 0.02278275 0.02278275 0.02278275 ZT8-11 0.02491445 0.02491445 0.02491445 ZT12-15 0.03013665 0.03013665 0.03013665 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0298544 0.0298544 0.0298544