condition mean min max ZT0-3 0.0418645 0.0 0.083729 ZT4-7 0.04225205 0.04225205 0.04225205 ZT8-11 0.0423978 0.0423978 0.0423978 ZT12-15 0 0 0 ZT16-19 0.08434320000000001 0.08434320000000001 0.08434320000000001 ZT20-23 0.0 0.0 0.0