condition mean min max ZT0-3 0.010943335 0.010943335 0.010943335 ZT4-7 0.00902435 0.00902435 0.00902435 ZT8-11 0.008551905 0.008551905 0.008551905 ZT12-15 0.0118448 0.0118448 0.0118448 ZT16-19 0.011820285 0.011820285 0.011820285 ZT20-23 0.007788135 0.007788135 0.007788135