condition mean min max ZT0-3 0.5706285 0.5706285 0.5706285 ZT4-7 6.44295 6.44295 6.44295 ZT8-11 3.3124700000000002 3.3124700000000002 3.3124700000000002 ZT12-15 0.930279 0.930279 0.930279 ZT16-19 0.09285294999999999 0.09285294999999999 0.09285294999999999 ZT20-23 0.055274000000000004 0.055274000000000004 0.055274000000000004