condition mean min max ZT0-3 1190.8000000000002 1190.8000000000002 1190.8000000000002 ZT4-7 1336.1 1336.1 1336.1 ZT8-11 1169.95 1169.95 1169.95 ZT12-15 1369.1 1369.1 1369.1 ZT16-19 1501.95 1501.95 1501.95 ZT20-23 1311.4 1311.4 1311.4