condition mean min max ZT0-3 0.09012059525 0.0 0.1802411905 ZT4-7 0.15004481775 0.0 0.3000896355 ZT8-11 0.035036782 0.0 0.070073564 ZT12-15 0.0897126325 0.0 0.179425265 ZT16-19 0.27875453925000004 0.163344663 0.39416441550000003 ZT20-23 0.29865121875 0.2378651535 0.35943728399999997