condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.141125 0.141125 0.141125 ZT8-11 0.0 0.0 0.0 ZT12-15 0.2362765 0.155466 0.317087 ZT16-19 0.0 0.0 0.0 ZT20-23 0.3124435 0.3124435 0.3124435