condition mean min max ZT0-3 2133.95 2133.95 2133.95 ZT4-7 1553.7 1553.7 1553.7 ZT8-11 1535.0 1535.0 1535.0 ZT12-15 1575.0 1575.0 1575.0 ZT16-19 1762.05 1762.05 1762.05 ZT20-23 2030.4 2030.4 2030.4