condition mean min max ZT0-3 1435.15 1435.15 1435.15 ZT4-7 4593.0 4593.0 4593.0 ZT8-11 4751.5 4751.5 4751.5 ZT12-15 2175.6 2175.6 2175.6 ZT16-19 1309.5 1309.5 1309.5 ZT20-23 1365.85 1365.85 1365.85