condition mean min max ZT0-3 0.43966675 0.326738 0.5525955 ZT4-7 1.0404035 1.0404035 1.0404035 ZT8-11 0.2107685 0.2107685 0.2107685 ZT12-15 0 0 0 ZT16-19 0.0458513 0.0458513 0.0458513 ZT20-23 1.4397605 1.4397605 1.4397605