condition mean min max ZT0-3 6811.049999999999 6811.049999999999 6811.049999999999 ZT4-7 5213.1 5213.1 5213.1 ZT8-11 5981.9 5981.9 5981.9 ZT12-15 7918.2 7918.2 7918.2 ZT16-19 7321.9 7321.9 7321.9 ZT20-23 7455.15 7455.15 7455.15