condition mean min max ZT0-3 1645.55 1645.55 1645.55 ZT4-7 1490.2 1490.2 1490.2 ZT8-11 1489.85 1489.85 1489.85 ZT12-15 1296.1999999999998 1296.1999999999998 1296.1999999999998 ZT16-19 2346.05 2346.05 2346.05 ZT20-23 2600.45 2600.45 2600.45