condition mean min max ZT0-3 0.009473892999999999 0.0 0.018947785999999998 ZT4-7 0.008400658666666666 0.0 0.016801317333333333 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.01515074716666667 0.014952578000000001 0.015348916333333336 ZT20-23 0.007045195999999999 0.0 0.014090391999999998