condition mean min max ZT0-3 52.25 52.25 52.25 ZT4-7 104.7 104.7 104.7 ZT8-11 73.35 73.35 73.35 ZT12-15 112.80000000000001 112.80000000000001 112.80000000000001 ZT16-19 119.6 119.6 119.6 ZT20-23 71.44999999999999 71.44999999999999 71.44999999999999