condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.06854232675 0.0 0.1370846535 ZT8-11 0.056793439749999994 0.0 0.11358687949999999 ZT12-15 0.02219694 0.0 0.04439388 ZT16-19 0.1616606975 0.0 0.323321395 ZT20-23 0.2377070755 0.110747871 0.36466628