condition mean min max ZT0-3 57.400000000000006 57.400000000000006 57.400000000000006 ZT4-7 97.3 97.3 97.3 ZT8-11 82.3 82.3 82.3 ZT12-15 110.6 110.6 110.6 ZT16-19 101.55 101.55 101.55 ZT20-23 74.35 74.35 74.35