condition mean min max ZT0-3 961.05 961.05 961.05 ZT4-7 1041.0 1041.0 1041.0 ZT8-11 1062.35 1062.35 1062.35 ZT12-15 1087.2 1087.2 1087.2 ZT16-19 1104.45 1104.45 1104.45 ZT20-23 1005.45 1005.45 1005.45