condition mean min max ZT0-3 1064.45 1064.45 1064.45 ZT4-7 1533.1 1533.1 1533.1 ZT8-11 1135.85 1135.85 1135.85 ZT12-15 1366.7 1366.7 1366.7 ZT16-19 1408.7 1408.7 1408.7 ZT20-23 938.3 938.3 938.3