condition mean min max ZT0-3 131.231 131.231 131.231 ZT4-7 137.321 137.321 137.321 ZT8-11 94.33924999999999 94.33924999999999 94.33924999999999 ZT12-15 88.7509 88.7509 88.7509 ZT16-19 106.1845 106.1845 106.1845 ZT20-23 116.5555 116.5555 116.5555