condition mean min max ZT0-3 11392.35 11392.35 11392.35 ZT4-7 7425.9 7425.9 7425.9 ZT8-11 9443.25 9443.25 9443.25 ZT12-15 10395.4 10395.4 10395.4 ZT16-19 12201.45 12201.45 12201.45 ZT20-23 12559.15 12559.15 12559.15