condition mean min max ZT0-3 2084.2 2084.2 2084.2 ZT4-7 2032.7 2032.7 2032.7 ZT8-11 2291.25 2291.25 2291.25 ZT12-15 2434.0 2434.0 2434.0 ZT16-19 2370.35 2370.35 2370.35 ZT20-23 2806.1 2806.1 2806.1