condition mean min max ZT0-3 10319.15 10319.15 10319.15 ZT4-7 9885.2 9885.2 9885.2 ZT8-11 8604.5 8604.5 8604.5 ZT12-15 6535.2 6535.2 6535.2 ZT16-19 5921.55 5921.55 5921.55 ZT20-23 7746.3 7746.3 7746.3