condition mean min max ZT0-3 0.014669149999999999 0.0 0.029338299999999998 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.008649166666666666 0.0 0.017298333333333332 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0