condition mean min max ZT0-3 0.025887999999999998 0.0 0.051775999999999996 ZT4-7 0.0 0.0 0.0 ZT8-11 0.028784733333333336 0.028784733333333336 0.028784733333333336 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0