condition mean min max ZT0-3 928.25 928.25 928.25 ZT4-7 648.1 648.1 648.1 ZT8-11 514.65 514.65 514.65 ZT12-15 464.6 464.6 464.6 ZT16-19 630.3 630.3 630.3 ZT20-23 794.55 794.55 794.55