condition mean min max ZT0-3 2255.45 2255.45 2255.45 ZT4-7 2513.3 2513.3 2513.3 ZT8-11 2550.25 2550.25 2550.25 ZT12-15 2471.0 2471.0 2471.0 ZT16-19 3090.85 3090.85 3090.85 ZT20-23 2881.65 2881.65 2881.65