condition mean min max ZT0-3 7518.4 7518.4 7518.4 ZT4-7 10604.2 10604.2 10604.2 ZT8-11 10479.400000000001 10479.400000000001 10479.400000000001 ZT12-15 9180.75 9180.75 9180.75 ZT16-19 7874.85 7874.85 7874.85 ZT20-23 7707.75 7707.75 7707.75