condition mean min max ZT0-3 0.13848 0.0747365 0.2022235 ZT4-7 0.055830950000000004 0.055830950000000004 0.055830950000000004 ZT8-11 0.44805000000000006 0.44805000000000006 0.44805000000000006 ZT12-15 0 0 0 ZT16-19 0.29392050000000003 0.29392050000000003 0.29392050000000003 ZT20-23 0.23978149999999998 0.23978149999999998 0.23978149999999998