condition mean min max ZT0-3 0.017164833333333334 0.0 0.0514945 ZT4-7 0.0504765 0.0504765 0.0504765 ZT8-11 0.0 0.0 0.0 ZT12-15 0.27344275 0.1636685 0.38321700000000003 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0