condition mean min max ZT0-3 8095.85 8095.85 8095.85 ZT4-7 6148.9 6148.9 6148.9 ZT8-11 7287.2 7287.2 7287.2 ZT12-15 9305.2 9305.2 9305.2 ZT16-19 8489.55 8489.55 8489.55 ZT20-23 9315.0 9315.0 9315.0