condition mean min max ZT0-3 0.00214017 0.00214017 0.00214017 ZT4-7 0.015342399999999999 0.015342399999999999 0.015342399999999999 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0051678666666666664 0.0051678666666666664 0.0051678666666666664 ZT20-23 0.0 0.0 0.0