condition mean min max ZT0-3 722.65 722.65 722.65 ZT4-7 730.4 730.4 730.4 ZT8-11 859.2 859.2 859.2 ZT12-15 606.45 606.45 606.45 ZT16-19 376.2 376.2 376.2 ZT20-23 314.84999999999997 314.84999999999997 314.84999999999997