condition mean min max ZT0-3 72.6 72.6 72.6 ZT4-7 104.1 104.1 104.1 ZT8-11 79.25 79.25 79.25 ZT12-15 93.44999999999999 93.44999999999999 93.44999999999999 ZT16-19 88.75 88.75 88.75 ZT20-23 99.9 99.9 99.9