condition mean min max ZT0-3 25.68355 21.8811 29.486 ZT4-7 14.5237 14.5237 14.5237 ZT8-11 9.433755 9.433755 9.433755 ZT12-15 0 0 0 ZT16-19 14.864799999999999 14.864799999999999 14.864799999999999 ZT20-23 24.66935 24.66935 24.66935