condition mean min max ZT0-3 0.39756113921669 0.33784000093337996 0.4572822775 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0 0 0 ZT16-19 0.109382 0.109382 0.109382 ZT20-23 0.0 0.0 0.0