condition mean min max ZT0-3 0.3463 0.0 1.0389 ZT4-7 0.0 0.0 0.0 ZT8-11 2.09023 2.09023 2.09023 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0