condition mean min max ZT0-3 0.04989378333333334 0.0 0.11818395000000001 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0677545 0.042116 0.093393 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0