condition mean min max ZT0-3 101.35 101.35 101.35 ZT4-7 79.8 79.8 79.8 ZT8-11 59.45 59.45 59.45 ZT12-15 85.35 85.35 85.35 ZT16-19 79.0 79.0 79.0 ZT20-23 91.55000000000001 91.55000000000001 91.55000000000001