condition mean min max ZT0-3 0.005189920000000001 0.005189920000000001 0.005189920000000001 ZT4-7 0.0168982 0.0168982 0.0168982 ZT8-11 0.001919055 0.001919055 0.001919055 ZT12-15 0.004472705 0.004472705 0.004472705 ZT16-19 0.00932238 0.00932238 0.00932238 ZT20-23 0.0 0.0 0.0