condition mean min max ZT0-3 0.017685733666666665 0.0 0.03537146733333333 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.044746697499999995 0.0 0.08949339499999999 ZT16-19 0.0 0.0 0.0 ZT20-23 0.03395767266666667 0.020804465999999997 0.047110879333333334