condition mean min max ZT0-3 0.038950016000000004 0.0 0.07790003200000001 ZT4-7 0.046409052166666666 0.0 0.09281810433333333 ZT8-11 0.0 0.0 0.0 ZT12-15 0.07392736600000001 0.0 0.14785473200000002 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0