condition mean min max ZT0-3 0.025927166666666668 0.0 0.0777815 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.07993525 0.0 0.1598705 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0