condition mean min max ZT0-3 1.5020025000000001 1.394165 1.60984 ZT4-7 2.12785 2.12785 2.12785 ZT8-11 1.156855 1.156855 1.156855 ZT12-15 0 0 0 ZT16-19 2.64705 2.64705 2.64705 ZT20-23 2.89612 2.89612 2.89612