condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.08226606566666667 0.026706976999999996 0.13782515433333334 ZT12-15 0.11258716299999999 0.09485036066666667 0.13032396533333332 ZT16-19 0.013705445999999998 0.0 0.027410891999999996 ZT20-23 0.0 0.0 0.0