condition mean min max ZT0-3 0.01074615 0.01074615 0.01074615 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.01293525 0.01293525 0.01293525 ZT20-23 0.0 0.0 0.0