condition mean min max ZT0-3 0.01211205 0.0 0.0242241 ZT4-7 0.0 0.0 0.0 ZT8-11 0.008374600000000001 0.008374600000000001 0.008374600000000001 ZT12-15 0.0 0.0 0.0 ZT16-19 0.01743693333333333 0.01743693333333333 0.01743693333333333 ZT20-23 0.0 0.0 0.0