condition mean min max ZT0-3 4725.05 4725.05 4725.05 ZT4-7 3864.0 3864.0 3864.0 ZT8-11 3711.85 3711.85 3711.85 ZT12-15 3300.7 3300.7 3300.7 ZT16-19 3919.15 3919.15 3919.15 ZT20-23 4518.6 4518.6 4518.6