condition mean min max ZT0-3 1499.55 1499.55 1499.55 ZT4-7 964.6 964.6 964.6 ZT8-11 950.05 950.05 950.05 ZT12-15 927.25 927.25 927.25 ZT16-19 961.0 961.0 961.0 ZT20-23 1213.55 1213.55 1213.55