condition mean min max ZT0-3 0.015285100000000001 0.015285100000000001 0.015285100000000001 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.024656633333333334 0.024656633333333334 0.024656633333333334 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0