condition mean min max ZT0-3 93.76788333333333 88.20089999999999 98.0595 ZT4-7 87.7227 87.7227 87.7227 ZT8-11 98.95405 98.95405 98.95405 ZT12-15 130.48925 125.6285 135.35 ZT16-19 112.61 112.61 112.61 ZT20-23 110.721 110.721 110.721