condition mean min max ZT0-3 0.13310118675000002 0.0 0.26620237350000003 ZT4-7 0.14016613074999998 0.0 0.28033226149999996 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0914199045 0.0 0.182839809 ZT20-23 0.07921138725 0.0 0.1584227745