condition mean min max ZT0-3 110.142 110.142 110.142 ZT4-7 124.979 124.979 124.979 ZT8-11 77.49680000000001 77.49680000000001 77.49680000000001 ZT12-15 70.55675 70.55675 70.55675 ZT16-19 68.2076 68.2076 68.2076 ZT20-23 81.34955 81.34955 81.34955