condition mean min max ZT0-3 1006.2080000000001 1006.2080000000001 1006.2080000000001 ZT4-7 356.04200000000003 356.04200000000003 356.04200000000003 ZT8-11 299.13 299.13 299.13 ZT12-15 1586.85 1586.85 1586.85 ZT16-19 3274.45 3274.45 3274.45 ZT20-23 2962.7 2962.7 2962.7