condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.415123 0.415123 0.415123 ZT8-11 0.0 0.0 0.0 ZT12-15 0.1061685 0.1061685 0.1061685 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0