condition mean min max ZT0-3 0.027175166666666667 0.0 0.0815255 ZT4-7 0.0 0.0 0.0 ZT8-11 0.084199 0.084199 0.084199 ZT12-15 0.0 0.0 0.0 ZT16-19 0.01627925 0.01627925 0.01627925 ZT20-23 0.0 0.0 0.0