condition mean min max ZT0-3 709.9 709.9 709.9 ZT4-7 708.1 708.1 708.1 ZT8-11 759.8 759.8 759.8 ZT12-15 763.85 763.85 763.85 ZT16-19 744.0 744.0 744.0 ZT20-23 847.05 847.05 847.05