condition mean min max ZT0-3 0.0402725 0.0 0.091153 ZT4-7 0.092454 0.092454 0.092454 ZT8-11 0.0 0.0 0.0 ZT12-15 0.007863625 0.0 0.01572725 ZT16-19 0.0874545 0.0874545 0.0874545 ZT20-23 0.0 0.0 0.0