condition mean min max ZT0-3 4493.3 4493.3 4493.3 ZT4-7 4676.1 4676.1 4676.1 ZT8-11 5029.25 5029.25 5029.25 ZT12-15 5102.8 5102.8 5102.8 ZT16-19 4749.65 4749.65 4749.65 ZT20-23 4826.049999999999 4826.049999999999 4826.049999999999