condition mean min max ZT0-3 4569.1 4569.1 4569.1 ZT4-7 4698.6 4698.6 4698.6 ZT8-11 5699.9 5699.9 5699.9 ZT12-15 5332.1 5332.1 5332.1 ZT16-19 5122.9 5122.9 5122.9 ZT20-23 4758.549999999999 4758.549999999999 4758.549999999999