condition mean min max ZT0-3 133.74849999999998 133.74849999999998 133.74849999999998 ZT4-7 137.713 137.713 137.713 ZT8-11 116.75550000000001 116.75550000000001 116.75550000000001 ZT12-15 134.8745 134.8745 134.8745 ZT16-19 157.856 157.856 157.856 ZT20-23 146.1565 146.1565 146.1565