condition mean min max ZT0-3 0.00562005 0.00562005 0.00562005 ZT4-7 0.01313268 0.01313268 0.01313268 ZT8-11 0.00627045 0.00627045 0.00627045 ZT12-15 0.010147594999999999 0.010147594999999999 0.010147594999999999 ZT16-19 0.0 0.0 0.0 ZT20-23 0.00713408 0.00713408 0.00713408