condition mean min max ZT0-3 0.008290233333333332 0.0 0.0127306 ZT4-7 0.01159185 0.01159185 0.01159185 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0133011 0.0133011 0.0133011