condition mean min max ZT0-3 2392.75 2392.75 2392.75 ZT4-7 2352.3 2352.3 2352.3 ZT8-11 2195.75 2195.75 2195.75 ZT12-15 2175.35 2175.35 2175.35 ZT16-19 2115.5 2115.5 2115.5 ZT20-23 2121.1 2121.1 2121.1