condition mean min max ZT0-3 5461.45 5461.45 5461.45 ZT4-7 6316.0 6316.0 6316.0 ZT8-11 4757.75 4757.75 4757.75 ZT12-15 4790.85 4790.85 4790.85 ZT16-19 6062.6 6062.6 6062.6 ZT20-23 6336.55 6336.55 6336.55