condition mean min max ZT0-3 132.01 132.01 132.01 ZT4-7 105.714 105.714 105.714 ZT8-11 71.759 71.759 71.759 ZT12-15 84.2929 84.2929 84.2929 ZT16-19 118.282 118.282 118.282 ZT20-23 137.5345 137.5345 137.5345