condition mean min max ZT0-3 0.12820606275 0.122130802 0.1342813235 ZT4-7 0.27491510750000003 0.14932302149999999 0.4005071935 ZT8-11 0.370473144 0.3695698725 0.3713764155 ZT12-15 0.27469996075 0.2271000675 0.322299854 ZT16-19 0.26566914375 0.211953842 0.3193844455 ZT20-23 0.7285557905 0.479546005 0.9775655759999999