condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.06850224425 0.0 0.1370044885 ZT8-11 0.04142077925 0.0 0.0828415585 ZT12-15 0.02583792375 0.0 0.0516758475 ZT16-19 0.152418321 0.1179029145 0.18693372749999998 ZT20-23 0.0 0.0 0.0