condition mean min max ZT0-3 0.026586549999999997 0.0 0.051921999999999996 ZT4-7 0.02430495 0.02430495 0.02430495 ZT8-11 0.0512135 0.0512135 0.0512135 ZT12-15 0.042455 0.0 0.08491 ZT16-19 0.07239535 0.07239535 0.07239535 ZT20-23 0.0 0.0 0.0