condition mean min max ZT0-3 0.002162383333333333 0.0 0.00648715 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.010590825 0.00726125 0.0139204 ZT16-19 0.03188245 0.03188245 0.03188245 ZT20-23 0.0 0.0 0.0