condition mean min max ZT0-3 0.009031266666666668 0.0 0.0270938 ZT4-7 0.02651105 0.02651105 0.02651105 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.02933595 0.02933595 0.02933595