condition mean min max ZT0-3 0.01642375 0.0 0.0328475 ZT4-7 0.0 0.0 0.0 ZT8-11 0.01624875 0.01624875 0.01624875 ZT12-15 0 0 0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0