condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 1.160098 1.160098 1.160098 ZT8-11 0.0 0.0 0.0 ZT12-15 0.3287325 0.0 0.657465 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0