condition mean min max ZT0-3 100.9 100.9 100.9 ZT4-7 99.8 99.8 99.8 ZT8-11 161.45 161.45 161.45 ZT12-15 159.95 159.95 159.95 ZT16-19 164.55 164.55 164.55 ZT20-23 164.10000000000002 164.10000000000002 164.10000000000002