condition mean min max ZT0-3 2289.95 2289.95 2289.95 ZT4-7 2860.0 2860.0 2860.0 ZT8-11 2797.0 2797.0 2797.0 ZT12-15 2701.25 2701.25 2701.25 ZT16-19 2407.25 2407.25 2407.25 ZT20-23 2508.55 2508.55 2508.55