condition mean min max ZT0-3 0.12029785275 0.0 0.2405957055 ZT4-7 0.07358999725 0.0 0.1471799945 ZT8-11 0.04116791175 0.0 0.0823358235 ZT12-15 0.02438397275 0.0132907605 0.035477185 ZT16-19 0.09968900324999999 0.0 0.19937800649999998 ZT20-23 0.1078373585 0.10649993599999999 0.109174781