condition mean min max ZT0-3 0.008106750000000001 0.0 0.02432025 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.09098095 0.0798068 0.1021551 ZT16-19 0.12019745000000001 0.12019745000000001 0.12019745000000001 ZT20-23 0.160917 0.160917 0.160917