condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.5387470000000001 0.533435 0.5440590000000001 ZT16-19 0.121843 0.121843 0.121843 ZT20-23 0.0 0.0 0.0