condition mean min max ZT0-3 7084.5 7084.5 7084.5 ZT4-7 5940.5 5940.5 5940.5 ZT8-11 5048.6 5048.6 5048.6 ZT12-15 4387.9 4387.9 4387.9 ZT16-19 5527.85 5527.85 5527.85 ZT20-23 6942.05 6942.05 6942.05