condition mean min max ZT0-3 141.9045 136.7835 146.26100000000002 ZT4-7 97.34695 97.34695 97.34695 ZT8-11 93.84535 93.84535 93.84535 ZT12-15 124.971 109.2895 140.6525 ZT16-19 147.0035 147.0035 147.0035 ZT20-23 157.071 157.071 157.071