condition mean min max ZT0-3 1.12673 1.12673 1.12673 ZT4-7 0.531205 0.531205 0.531205 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0