condition mean min max ZT0-3 0.014104617250000001 0.0 0.028209234500000003 ZT4-7 0.16265289025000002 0.153906943 0.1713988375 ZT8-11 0.40521208825 0.32816548 0.4822586965 ZT12-15 0.367323551 0.289674944 0.444972158 ZT16-19 0.3086054655 0.290417019 0.32679391199999996 ZT20-23 0.40844381725 0.3018049355 0.515082699