condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 1.11746 1.11746 1.11746 ZT8-11 0.0 0.0 0.0 ZT12-15 0 0 0 ZT16-19 0.53855 0.53855 0.53855 ZT20-23 0.0 0.0 0.0