condition mean min max ZT0-3 12407.95 12407.95 12407.95 ZT4-7 5346.8 5346.8 5346.8 ZT8-11 6511.299999999999 6511.299999999999 6511.299999999999 ZT12-15 8537.45 8537.45 8537.45 ZT16-19 11285.599999999999 11285.599999999999 11285.599999999999 ZT20-23 10215.95 10215.95 10215.95