condition mean min max ZT0-3 102.5 102.5 102.5 ZT4-7 102.9 102.9 102.9 ZT8-11 108.9 108.9 108.9 ZT12-15 81.05000000000001 81.05000000000001 81.05000000000001 ZT16-19 109.3 109.3 109.3 ZT20-23 110.44999999999999 110.44999999999999 110.44999999999999