condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.042763999999999996 0.042763999999999996 0.042763999999999996 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.04824266666666666 0.04824266666666666 0.04824266666666666 ZT20-23 0.0 0.0 0.0