condition mean min max ZT0-3 0.1432404095 0.113148174 0.173332645 ZT4-7 0.22842730449999998 0.209289389 0.24756521999999997 ZT8-11 0.31464075175 0.224280139 0.4050013645 ZT12-15 0.57448097425 0.40818926 0.7407726885 ZT16-19 0.471366846 0.4394429365 0.5032907555 ZT20-23 0.78201008725 0.6608006475 0.903219527