condition mean min max ZT0-3 103.078214 103.078214 103.078214 ZT4-7 58.3680495 58.3680495 58.3680495 ZT8-11 77.810421 77.810421 77.810421 ZT12-15 95.7147635 95.7147635 95.7147635 ZT16-19 94.050376 94.050376 94.050376 ZT20-23 93.43706449999999 93.43706449999999 93.43706449999999