condition mean min max ZT0-3 901.45 901.45 901.45 ZT4-7 420.0 420.0 420.0 ZT8-11 504.85 504.85 504.85 ZT12-15 478.25 478.25 478.25 ZT16-19 851.15 851.15 851.15 ZT20-23 1063.95 1063.95 1063.95