condition mean min max ZT0-3 723.45 723.45 723.45 ZT4-7 605.3 605.3 605.3 ZT8-11 649.45 649.45 649.45 ZT12-15 595.6 595.6 595.6 ZT16-19 712.55 712.55 712.55 ZT20-23 642.65 642.65 642.65