condition mean min max ZT0-3 1697.3 1697.3 1697.3 ZT4-7 2074.2 2074.2 2074.2 ZT8-11 1813.35 1813.35 1813.35 ZT12-15 1508.3 1508.3 1508.3 ZT16-19 1284.1 1284.1 1284.1 ZT20-23 1205.15 1205.15 1205.15