condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.89455 0.89455 0.89455 ZT8-11 0.0 0.0 0.0 ZT12-15 0.15470225 0.0 0.3094045 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0