condition mean min max ZT0-3 0.48173083333333333 0.1830265 0.9849045000000001 ZT4-7 0.7083125 0.7083125 0.7083125 ZT8-11 0.276125 0.276125 0.276125 ZT12-15 0.23538449999999997 0.091871 0.37889799999999996 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0