condition mean min max ZT0-3 0.08405805649999999 0.0 0.16811611299999998 ZT4-7 0.22675401725 0.1913267825 0.262181252 ZT8-11 0.12015780175 0.048396130499999995 0.191919473 ZT12-15 0.44553992449999996 0.39642076849999996 0.49465908049999996 ZT16-19 0.51713181325 0.4432299205 0.5910337059999999 ZT20-23 0.42864120925000004 0.3607935085 0.49648891