condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.00959235 0.00959235 0.00959235 ZT12-15 0.0 0.0 0.0 ZT16-19 0.01023975 0.01023975 0.01023975 ZT20-23 0.0101725 0.0101725 0.0101725