condition mean min max ZT0-3 0.099054 0.099054 0.099054 ZT4-7 1.33077 1.33077 1.33077 ZT8-11 0.125948 0.125948 0.125948 ZT12-15 0.0 0.0 0.0 ZT16-19 0.050919 0.050919 0.050919 ZT20-23 0.0 0.0 0.0