condition mean min max ZT0-3 0.16774605725 0.150261623 0.18523049149999998 ZT4-7 0.18171329799999997 0.12696685149999998 0.23645974449999999 ZT8-11 0.76566711825 0.19561238549999999 1.335721851 ZT12-15 2.1957920065 1.9470788145 2.4445051985 ZT16-19 1.0502669455 0.734227032 1.366306859 ZT20-23 0.6783398715 0.5578432455 0.7988364975