condition mean min max ZT0-3 1793.1 1793.1 1793.1 ZT4-7 1204.0 1204.0 1204.0 ZT8-11 1381.7 1381.7 1381.7 ZT12-15 1522.65 1522.65 1522.65 ZT16-19 1590.35 1590.35 1590.35 ZT20-23 1885.85 1885.85 1885.85