condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.05715970733333332 0.04170248399999999 0.07261693066666666 ZT8-11 0.0651944825 0.0 0.130388965 ZT12-15 0.0 0.0 0.0 ZT16-19 0.030269258000000004 0.0 0.06053851600000001 ZT20-23 0.0 0.0 0.0