condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.016133539250000002 0.0 0.032267078500000004 ZT16-19 0.0672739105 0.060927691 0.07362013 ZT20-23 0.0 0.0 0.0