condition mean min max ZT0-3 0.14056033333333331 0.0 0.421681 ZT4-7 0.385772 0.385772 0.385772 ZT8-11 0.4045275 0.4045275 0.4045275 ZT12-15 0.44278649999999997 0.438447 0.447126 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0