condition mean min max ZT0-3 0.024971533333333334 0.024971533333333334 0.024971533333333334 ZT4-7 0.02199215 0.02199215 0.02199215 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 6.699999999999999e-07 6.699999999999999e-07 6.699999999999999e-07 ZT20-23 0.0 0.0 0.0