condition mean min max ZT0-3 600.25 600.25 600.25 ZT4-7 569.5 569.5 569.5 ZT8-11 566.15 566.15 566.15 ZT12-15 683.05 683.05 683.05 ZT16-19 712.6 712.6 712.6 ZT20-23 698.95 698.95 698.95