condition mean min max ZT0-3 0.056257 0.056257 0.056257 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0570145 0.0570145 0.0570145 ZT20-23 0.0 0.0 0.0