condition mean min max ZT0-3 0.04198742825 0.019864036 0.0641108205 ZT4-7 0.06662479924999999 0.0331877155 0.10006188299999999 ZT8-11 0.46828187625 0.3089156395 0.627648113 ZT12-15 0.6573632677500001 0.618424575 0.6963019605 ZT16-19 0.43197349325 0.42157161 0.4423753765 ZT20-23 0.1666178015 0.088277202 0.244958401