condition mean min max ZT0-3 0.6464449907500001 0.0 1.2928899815000001 ZT4-7 0.028561508833333336 0.0 0.05712301766666667 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0