condition mean min max ZT0-3 0.07058640000000001 0.07058640000000001 0.07058640000000001 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0896862 0.0896862 0.0896862 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0229486 0.0229486 0.0229486