condition mean min max ZT0-3 0.0676902 0.0265544 0.108826 ZT4-7 0.6771765 0.6771765 0.6771765 ZT8-11 99.1134 99.1134 99.1134 ZT12-15 0 0 0 ZT16-19 0.4547885 0.4547885 0.4547885 ZT20-23 0.672662 0.672662 0.672662