condition mean min max ZT0-3 0.31936 0.0 0.63872 ZT4-7 1.33239 1.33239 1.33239 ZT8-11 0.0 0.0 0.0 ZT12-15 0 0 0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.64393 0.64393 0.64393