condition mean min max ZT0-3 5000.9 5000.9 5000.9 ZT4-7 4252.2 4252.2 4252.2 ZT8-11 4575.65 4575.65 4575.65 ZT12-15 4310.95 4310.95 4310.95 ZT16-19 4870.299999999999 4870.299999999999 4870.299999999999 ZT20-23 5158.35 5158.35 5158.35