condition mean min max ZT0-3 0.19722050575 0.0 0.3944410115 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