condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.03663115 0.03663115 0.03663115 ZT8-11 0.0186159 0.0186159 0.0186159 ZT12-15 0.009278925 0.0 0.01855785 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0