condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.01007925 0.01007925 0.01007925 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0161375 0.0161375 0.0161375 ZT20-23 0.01485275 0.01485275 0.01485275