condition mean min max ZT0-3 8183.1 8183.1 8183.1 ZT4-7 5139.9 5139.9 5139.9 ZT8-11 4716.25 4716.25 4716.25 ZT12-15 4128.5 4128.5 4128.5 ZT16-19 5100.95 5100.95 5100.95 ZT20-23 6386.799999999999 6386.799999999999 6386.799999999999