condition mean min max ZT0-3 1699.95 1699.95 1699.95 ZT4-7 1499.4 1499.4 1499.4 ZT8-11 1511.9 1511.9 1511.9 ZT12-15 1512.1 1512.1 1512.1 ZT16-19 1906.35 1906.35 1906.35 ZT20-23 1964.65 1964.65 1964.65