condition mean min max ZT0-3 92.8458 92.8458 92.8458 ZT4-7 78.17009999999999 78.17009999999999 78.17009999999999 ZT8-11 69.2612 69.2612 69.2612 ZT12-15 71.5325 71.5325 71.5325 ZT16-19 86.297 86.297 86.297 ZT20-23 97.55965 97.55965 97.55965