condition mean min max ZT0-3 0.038183166666666664 0.0 0.0957527 ZT4-7 0.01794785 0.01794785 0.01794785 ZT8-11 0.03774665 0.03774665 0.03774665 ZT12-15 0.0 0.0 0.0 ZT16-19 0.01759815 0.01759815 0.01759815 ZT20-23 0.0794415 0.0794415 0.0794415