condition mean min max ZT0-3 0.42260333333333333 0.0 0.6384795 ZT4-7 0.61073 0.61073 0.61073 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 1.002048 1.002048 1.002048