condition mean min max ZT0-3 0.031023855500000003 0.0 0.062047711000000005 ZT4-7 0.02427425683333333 0.0 0.04854851366666666 ZT8-11 0.1097588455 0.0 0.219517691 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0