condition mean min max ZT0-3 883.4 883.4 883.4 ZT4-7 590.1 590.1 590.1 ZT8-11 676.85 676.85 676.85 ZT12-15 550.25 550.25 550.25 ZT16-19 676.1 676.1 676.1 ZT20-23 905.0 905.0 905.0