condition mean min max ZT0-3 5656.95 5656.95 5656.95 ZT4-7 6660.2 6660.2 6660.2 ZT8-11 6132.299999999999 6132.299999999999 6132.299999999999 ZT12-15 6221.2 6221.2 6221.2 ZT16-19 5266.25 5266.25 5266.25 ZT20-23 5078.75 5078.75 5078.75