condition mean min max ZT0-3 0.120223 0.1188185 0.1216275 ZT4-7 0.12125530000000001 0.12125530000000001 0.12125530000000001 ZT8-11 0.04126985 0.04126985 0.04126985 ZT12-15 0 0 0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0801952 0.0801952 0.0801952