condition mean min max ZT0-3 0.28487406375 0.0 0.5697481275 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.02847671983333333 0.0 0.05695343966666666 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0