condition mean min max ZT0-3 0.35742 0.0 1.07226 ZT4-7 0.353678 0.353678 0.353678 ZT8-11 0.0 0.0 0.0 ZT12-15 0.5263575 0.0 1.052715 ZT16-19 0.3469915 0.3469915 0.3469915 ZT20-23 0.0 0.0 0.0