condition mean min max ZT0-3 0.5673825 0.5673825 0.5673825 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.34079550000000003 0.34079550000000003 0.34079550000000003 ZT16-19 14.0497 14.0497 14.0497 ZT20-23 2.56051 2.56051 2.56051