condition mean min max ZT0-3 0.1605475 0.115642 0.24172949999999999 ZT4-7 0.465032 0.465032 0.465032 ZT8-11 0.0 0.0 0.0 ZT12-15 0.6669419999999999 0.5064795 0.8274045 ZT16-19 0.447996 0.447996 0.447996 ZT20-23 0.6399435 0.6399435 0.6399435