condition mean min max ZT0-3 125.35 125.35 125.35 ZT4-7 154.5 154.5 154.5 ZT8-11 188.45 188.45 188.45 ZT12-15 211.7 211.7 211.7 ZT16-19 165.05 165.05 165.05 ZT20-23 121.65 121.65 121.65