condition mean min max ZT0-3 0.01364865 0.01364865 0.01364865 ZT4-7 0.011680500000000002 0.011680500000000002 0.011680500000000002 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.04506855 0.04506855 0.04506855