condition mean min max ZT0-3 128.695 128.695 128.695 ZT4-7 112.89265 112.89265 112.89265 ZT8-11 77.56085 77.56085 77.56085 ZT12-15 84.94765 84.94765 84.94765 ZT16-19 116.18599999999999 116.18599999999999 116.18599999999999 ZT20-23 120.27976666666666 120.27976666666666 120.27976666666666