condition mean min max ZT0-3 14.2002 14.2002 14.2002 ZT4-7 14.8046 14.8046 14.8046 ZT8-11 23.9822 23.9822 23.9822 ZT12-15 27.94765 27.94765 27.94765 ZT16-19 13.21 13.21 13.21 ZT20-23 13.57785 13.57785 13.57785