condition mean min max ZT0-3 0.0056807 0.0056807 0.0056807 ZT4-7 0.01575115 0.01575115 0.01575115 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0103772 0.0103772 0.0103772 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0